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Finding the Fourth Proportional to 240,988.95, 332,564.78 and 133,565.92

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Solution

The fourth proportional to 240,988.95, 332,564.78 and 133,565.92 is: 184,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,988.95 : 332,564.78 = 133,565.92 : x
  2. Step 2: Convert to fraction form
    240,988.95/332,564.78 = 133,565.92/x
  3. Step 3: Cross multiply
    240,988.95x = 332,564.78 × 133,565.92
  4. Step 4: Simplify right side
    240,988.95x = 44,419,320,302.80
  5. Step 5: Solve for x
    x = 44,419,320,302.80/240,988.95
  6. Step 6: Final answer
    x = 184,320.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.