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Finding the Fourth Proportional to 238,833.34, 329,592.63 and 129,938.31

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Solution

The fourth proportional to 238,833.34, 329,592.63 and 129,938.31 is: 179,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,833.34 : 329,592.63 = 129,938.31 : x
  2. Step 2: Convert to fraction form
    238,833.34/329,592.63 = 129,938.31/x
  3. Step 3: Cross multiply
    238,833.34x = 329,592.63 × 129,938.31
  4. Step 4: Simplify right side
    238,833.34x = 42,826,708,244.73
  5. Step 5: Solve for x
    x = 42,826,708,244.73/238,833.34
  6. Step 6: Final answer
    x = 179,316.29

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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.