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Finding the Fourth Proportional to 339,125.76, 508,780.80 and 117,527.04

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Solution

The fourth proportional to 339,125.76, 508,780.80 and 117,527.04 is: 176,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,125.76 : 508,780.80 = 117,527.04 : x
  2. Step 2: Convert to fraction form
    339,125.76/508,780.80 = 117,527.04/x
  3. Step 3: Cross multiply
    339,125.76x = 508,780.80 × 117,527.04
  4. Step 4: Simplify right side
    339,125.76x = 59,795,501,432.83
  5. Step 5: Solve for x
    x = 59,795,501,432.83/339,125.76
  6. Step 6: Final answer
    x = 176,322.50

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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.