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Finding the Fourth Proportional to 187,482.47, 281,251.41 and 54,345.40

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Solution

The fourth proportional to 187,482.47, 281,251.41 and 54,345.40 is: 81,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,482.47 : 281,251.41 = 54,345.40 : x
  2. Step 2: Convert to fraction form
    187,482.47/281,251.41 = 54,345.40/x
  3. Step 3: Cross multiply
    187,482.47x = 281,251.41 × 54,345.40
  4. Step 4: Simplify right side
    187,482.47x = 15,284,719,470.09
  5. Step 5: Solve for x
    x = 15,284,719,470.09/187,482.47
  6. Step 6: Final answer
    x = 81,526.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.