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Finding the Fourth Proportional to 187,484.40, 281,182.32 and 54,329.40

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Solution

The fourth proportional to 187,484.40, 281,182.32 and 54,329.40 is: 81,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,484.40 : 281,182.32 = 54,329.40 : x
  2. Step 2: Convert to fraction form
    187,484.40/281,182.32 = 54,329.40/x
  3. Step 3: Cross multiply
    187,484.40x = 281,182.32 × 54,329.40
  4. Step 4: Simplify right side
    187,484.40x = 15,276,466,736.21
  5. Step 5: Solve for x
    x = 15,276,466,736.21/187,484.40
  6. Step 6: Final answer
    x = 81,481.27

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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.