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Finding the Fourth Proportional to 339,113.20, 508,750.80 and 102,458.20

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Solution

The fourth proportional to 339,113.20, 508,750.80 and 102,458.20 is: 153,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,113.20 : 508,750.80 = 102,458.20 : x
  2. Step 2: Convert to fraction form
    339,113.20/508,750.80 = 102,458.20/x
  3. Step 3: Cross multiply
    339,113.20x = 508,750.80 × 102,458.20
  4. Step 4: Simplify right side
    339,113.20x = 52,125,691,216.56
  5. Step 5: Solve for x
    x = 52,125,691,216.56/339,113.20
  6. Step 6: Final answer
    x = 153,711.77

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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.