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Finding the Fourth Proportional to 233,641.52, 322,425.08 and 126,211.52

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Solution

The fourth proportional to 233,641.52, 322,425.08 and 126,211.52 is: 174,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,641.52 : 322,425.08 = 126,211.52 : x
  2. Step 2: Convert to fraction form
    233,641.52/322,425.08 = 126,211.52/x
  3. Step 3: Cross multiply
    233,641.52x = 322,425.08 × 126,211.52
  4. Step 4: Simplify right side
    233,641.52x = 40,693,759,432.92
  5. Step 5: Solve for x
    x = 40,693,759,432.92/233,641.52
  6. Step 6: Final answer
    x = 174,171.78

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1.5x scale

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.