Home / 558,839.80-838,194.90-159,542.20

Finding the Fourth Proportional to 558,839.80, 838,194.90 and 159,542.20

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Solution

The fourth proportional to 558,839.80, 838,194.90 and 159,542.20 is: 239,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,839.80 : 838,194.90 = 159,542.20 : x
  2. Step 2: Convert to fraction form
    558,839.80/838,194.90 = 159,542.20/x
  3. Step 3: Cross multiply
    558,839.80x = 838,194.90 × 159,542.20
  4. Step 4: Simplify right side
    558,839.80x = 133,727,458,374.78
  5. Step 5: Solve for x
    x = 133,727,458,374.78/558,839.80
  6. Step 6: Final answer
    x = 239,294.80

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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.