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Finding the Fourth Proportional to 230,650, 318,297 and 124,666

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Solution

The fourth proportional to 230,650, 318,297 and 124,666 is: 172,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,650 : 318,297 = 124,666 : x
  2. Step 2: Convert to fraction form
    230,650/318,297 = 124,666/x
  3. Step 3: Cross multiply
    230,650x = 318,297 × 124,666
  4. Step 4: Simplify right side
    230,650x = 39,680,813,802
  5. Step 5: Solve for x
    x = 39,680,813,802/230,650
  6. Step 6: Final answer
    x = 172,039.08

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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.