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Finding the Fourth Proportional to 185,915.64, 278,891.88 and 59,524.08

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Solution

The fourth proportional to 185,915.64, 278,891.88 and 59,524.08 is: 89,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,915.64 : 278,891.88 = 59,524.08 : x
  2. Step 2: Convert to fraction form
    185,915.64/278,891.88 = 59,524.08/x
  3. Step 3: Cross multiply
    185,915.64x = 278,891.88 × 59,524.08
  4. Step 4: Simplify right side
    185,915.64x = 16,600,782,576.47
  5. Step 5: Solve for x
    x = 16,600,782,576.47/185,915.64
  6. Step 6: Final answer
    x = 89,292.02

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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.