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Finding the Fourth Proportional to 445,951.14, 615,412.98 and 254,968.53

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Solution

The fourth proportional to 445,951.14, 615,412.98 and 254,968.53 is: 351,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,951.14 : 615,412.98 = 254,968.53 : x
  2. Step 2: Convert to fraction form
    445,951.14/615,412.98 = 254,968.53/x
  3. Step 3: Cross multiply
    445,951.14x = 615,412.98 × 254,968.53
  4. Step 4: Simplify right side
    445,951.14x = 156,910,942,853.52
  5. Step 5: Solve for x
    x = 156,910,942,853.52/445,951.14
  6. Step 6: Final answer
    x = 351,856.80

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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.