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Finding the Fourth Proportional to 296,654.66, 446,244.75 and 268,909.30

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Solution

The fourth proportional to 296,654.66, 446,244.75 and 268,909.30 is: 404,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,654.66 : 446,244.75 = 268,909.30 : x
  2. Step 2: Convert to fraction form
    296,654.66/446,244.75 = 268,909.30/x
  3. Step 3: Cross multiply
    296,654.66x = 446,244.75 × 268,909.30
  4. Step 4: Simplify right side
    296,654.66x = 119,999,363,908.98
  5. Step 5: Solve for x
    x = 119,999,363,908.98/296,654.66
  6. Step 6: Final answer
    x = 404,508.61

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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.