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Finding the Fourth Proportional to 256,522.56, 384,747.80 and 88,040.13

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Solution

The fourth proportional to 256,522.56, 384,747.80 and 88,040.13 is: 132,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,522.56 : 384,747.80 = 88,040.13 : x
  2. Step 2: Convert to fraction form
    256,522.56/384,747.80 = 88,040.13/x
  3. Step 3: Cross multiply
    256,522.56x = 384,747.80 × 88,040.13
  4. Step 4: Simplify right side
    256,522.56x = 33,873,245,889.01
  5. Step 5: Solve for x
    x = 33,873,245,889.01/256,522.56
  6. Step 6: Final answer
    x = 132,047.82

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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.