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Finding the Fourth Proportional to 542,397.52, 813,407.63 and 222,458.55

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Solution

The fourth proportional to 542,397.52, 813,407.63 and 222,458.55 is: 333,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,397.52 : 813,407.63 = 222,458.55 : x
  2. Step 2: Convert to fraction form
    542,397.52/813,407.63 = 222,458.55/x
  3. Step 3: Cross multiply
    542,397.52x = 813,407.63 × 222,458.55
  4. Step 4: Simplify right side
    542,397.52x = 180,949,481,928.74
  5. Step 5: Solve for x
    x = 180,949,481,928.74/542,397.52
  6. Step 6: Final answer
    x = 333,610.45

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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.