Home / 465,731.28-698,613.32-181,443.12

Finding the Fourth Proportional to 465,731.28, 698,613.32 and 181,443.12

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Solution

The fourth proportional to 465,731.28, 698,613.32 and 181,443.12 is: 272,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,731.28 : 698,613.32 = 181,443.12 : x
  2. Step 2: Convert to fraction form
    465,731.28/698,613.32 = 181,443.12/x
  3. Step 3: Cross multiply
    465,731.28x = 698,613.32 × 181,443.12
  4. Step 4: Simplify right side
    465,731.28x = 126,758,580,454.36
  5. Step 5: Solve for x
    x = 126,758,580,454.36/465,731.28
  6. Step 6: Final answer
    x = 272,171.07

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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.