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Finding the Fourth Proportional to 230,481, 318,063.78 and 124,497

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Solution

The fourth proportional to 230,481, 318,063.78 and 124,497 is: 171,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,481 : 318,063.78 = 124,497 : x
  2. Step 2: Convert to fraction form
    230,481/318,063.78 = 124,497/x
  3. Step 3: Cross multiply
    230,481x = 318,063.78 × 124,497
  4. Step 4: Simplify right side
    230,481x = 39,597,986,418.66
  5. Step 5: Solve for x
    x = 39,597,986,418.66/230,481
  6. Step 6: Final answer
    x = 171,805.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.