Home / 498,788.38-748,287.62-161,802.70

Finding the Fourth Proportional to 498,788.38, 748,287.62 and 161,802.70

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Solution

The fourth proportional to 498,788.38, 748,287.62 and 161,802.70 is: 242,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,788.38 : 748,287.62 = 161,802.70 : x
  2. Step 2: Convert to fraction form
    498,788.38/748,287.62 = 161,802.70/x
  3. Step 3: Cross multiply
    498,788.38x = 748,287.62 × 161,802.70
  4. Step 4: Simplify right side
    498,788.38x = 121,074,955,219.60
  5. Step 5: Solve for x
    x = 121,074,955,219.60/498,788.38
  6. Step 6: Final answer
    x = 242,738.12

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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.