Home / 487,437.93-731,171.79-132,459.48

Finding the Fourth Proportional to 487,437.93, 731,171.79 and 132,459.48

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Solution

The fourth proportional to 487,437.93, 731,171.79 and 132,459.48 is: 198,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,437.93 : 731,171.79 = 132,459.48 : x
  2. Step 2: Convert to fraction form
    487,437.93/731,171.79 = 132,459.48/x
  3. Step 3: Cross multiply
    487,437.93x = 731,171.79 × 132,459.48
  4. Step 4: Simplify right side
    487,437.93x = 96,850,635,094.07
  5. Step 5: Solve for x
    x = 96,850,635,094.07/487,437.93
  6. Step 6: Final answer
    x = 198,693.27

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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.