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Finding the Fourth Proportional to 232,909.09, 349,363.72 and 72,997.43

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Solution

The fourth proportional to 232,909.09, 349,363.72 and 72,997.43 is: 109,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,909.09 : 349,363.72 = 72,997.43 : x
  2. Step 2: Convert to fraction form
    232,909.09/349,363.72 = 72,997.43/x
  3. Step 3: Cross multiply
    232,909.09x = 349,363.72 × 72,997.43
  4. Step 4: Simplify right side
    232,909.09x = 25,502,653,766.96
  5. Step 5: Solve for x
    x = 25,502,653,766.96/232,909.09
  6. Step 6: Final answer
    x = 109,496.17

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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.