Home / 658,218.20-987,327.30-159,582.20

Finding the Fourth Proportional to 658,218.20, 987,327.30 and 159,582.20

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Solution

The fourth proportional to 658,218.20, 987,327.30 and 159,582.20 is: 239,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,218.20 : 987,327.30 = 159,582.20 : x
  2. Step 2: Convert to fraction form
    658,218.20/987,327.30 = 159,582.20/x
  3. Step 3: Cross multiply
    658,218.20x = 987,327.30 × 159,582.20
  4. Step 4: Simplify right side
    658,218.20x = 157,559,862,654.06
  5. Step 5: Solve for x
    x = 157,559,862,654.06/658,218.20
  6. Step 6: Final answer
    x = 239,373.30

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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.