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Finding the Fourth Proportional to 658,155.93, 987,233.90 and 159,519.93

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Solution

The fourth proportional to 658,155.93, 987,233.90 and 159,519.93 is: 239,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,155.93 : 987,233.90 = 159,519.93 : x
  2. Step 2: Convert to fraction form
    658,155.93/987,233.90 = 159,519.93/x
  3. Step 3: Cross multiply
    658,155.93x = 987,233.90 × 159,519.93
  4. Step 4: Simplify right side
    658,155.93x = 157,483,482,621.63
  5. Step 5: Solve for x
    x = 157,483,482,621.63/658,155.93
  6. Step 6: Final answer
    x = 239,279.90

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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.