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Finding the Fourth Proportional to 658,227.25, 987,341.01 and 159,591.25

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Solution

The fourth proportional to 658,227.25, 987,341.01 and 159,591.25 is: 239,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,227.25 : 987,341.01 = 159,591.25 : x
  2. Step 2: Convert to fraction form
    658,227.25/987,341.01 = 159,591.25/x
  3. Step 3: Cross multiply
    658,227.25x = 987,341.01 × 159,591.25
  4. Step 4: Simplify right side
    658,227.25x = 157,570,985,962.16
  5. Step 5: Solve for x
    x = 157,570,985,962.16/658,227.25
  6. Step 6: Final answer
    x = 239,386.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.