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Finding the Fourth Proportional to 238,560.52, 329,119.08 and 153,727

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Solution

The fourth proportional to 238,560.52, 329,119.08 and 153,727 is: 212,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,560.52 : 329,119.08 = 153,727 : x
  2. Step 2: Convert to fraction form
    238,560.52/329,119.08 = 153,727/x
  3. Step 3: Cross multiply
    238,560.52x = 329,119.08 × 153,727
  4. Step 4: Simplify right side
    238,560.52x = 50,594,488,811.16
  5. Step 5: Solve for x
    x = 50,594,488,811.16/238,560.52
  6. Step 6: Final answer
    x = 212,082.40

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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.