Home / 498,883.29-748,374.03-134,140.36

Finding the Fourth Proportional to 498,883.29, 748,374.03 and 134,140.36

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Solution

The fourth proportional to 498,883.29, 748,374.03 and 134,140.36 is: 201,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,883.29 : 748,374.03 = 134,140.36 : x
  2. Step 2: Convert to fraction form
    498,883.29/748,374.03 = 134,140.36/x
  3. Step 3: Cross multiply
    498,883.29x = 748,374.03 × 134,140.36
  4. Step 4: Simplify right side
    498,883.29x = 100,387,159,927.92
  5. Step 5: Solve for x
    x = 100,387,159,927.92/498,883.29
  6. Step 6: Final answer
    x = 201,223.74

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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.