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Finding the Fourth Proportional to 244,557.60, 366,836.40 and 138,269.40

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Solution

The fourth proportional to 244,557.60, 366,836.40 and 138,269.40 is: 207,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,557.60 : 366,836.40 = 138,269.40 : x
  2. Step 2: Convert to fraction form
    244,557.60/366,836.40 = 138,269.40/x
  3. Step 3: Cross multiply
    244,557.60x = 366,836.40 × 138,269.40
  4. Step 4: Simplify right side
    244,557.60x = 50,722,248,926.16
  5. Step 5: Solve for x
    x = 50,722,248,926.16/244,557.60
  6. Step 6: Final answer
    x = 207,404.10

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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.