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Finding the Fourth Proportional to 339,215.68, 508,841.52 and 102,552.32

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Solution

The fourth proportional to 339,215.68, 508,841.52 and 102,552.32 is: 153,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,215.68 : 508,841.52 = 102,552.32 : x
  2. Step 2: Convert to fraction form
    339,215.68/508,841.52 = 102,552.32/x
  3. Step 3: Cross multiply
    339,215.68x = 508,841.52 × 102,552.32
  4. Step 4: Simplify right side
    339,215.68x = 52,182,878,388.33
  5. Step 5: Solve for x
    x = 52,182,878,388.33/339,215.68
  6. Step 6: Final answer
    x = 153,833.92

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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.