Home / 487,995.38-731,910.02-132,926.36

Finding the Fourth Proportional to 487,995.38, 731,910.02 and 132,926.36

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Solution

The fourth proportional to 487,995.38, 731,910.02 and 132,926.36 is: 199,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,995.38 : 731,910.02 = 132,926.36 : x
  2. Step 2: Convert to fraction form
    487,995.38/731,910.02 = 132,926.36/x
  3. Step 3: Cross multiply
    487,995.38x = 731,910.02 × 132,926.36
  4. Step 4: Simplify right side
    487,995.38x = 97,290,134,806.13
  5. Step 5: Solve for x
    x = 97,290,134,806.13/487,995.38
  6. Step 6: Final answer
    x = 199,366.92

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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.