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Finding the Fourth Proportional to 230,502, 318,092.82 and 124,518

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Solution

The fourth proportional to 230,502, 318,092.82 and 124,518 is: 171,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,502 : 318,092.82 = 124,518 : x
  2. Step 2: Convert to fraction form
    230,502/318,092.82 = 124,518/x
  3. Step 3: Cross multiply
    230,502x = 318,092.82 × 124,518
  4. Step 4: Simplify right side
    230,502x = 39,608,281,760.76
  5. Step 5: Solve for x
    x = 39,608,281,760.76/230,502
  6. Step 6: Final answer
    x = 171,834.87

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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.