Home / 438,737.14-658,145.87-123,191.92

Finding the Fourth Proportional to 438,737.14, 658,145.87 and 123,191.92

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Solution

The fourth proportional to 438,737.14, 658,145.87 and 123,191.92 is: 184,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,737.14 : 658,145.87 = 123,191.92 : x
  2. Step 2: Convert to fraction form
    438,737.14/658,145.87 = 123,191.92/x
  3. Step 3: Cross multiply
    438,737.14x = 658,145.87 × 123,191.92
  4. Step 4: Simplify right side
    438,737.14x = 81,078,249,458.68
  5. Step 5: Solve for x
    x = 81,078,249,458.68/438,737.14
  6. Step 6: Final answer
    x = 184,799.15

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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.