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Finding the Fourth Proportional to 615,951.95, 924,425.46 and 261,214.88

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Solution

The fourth proportional to 615,951.95, 924,425.46 and 261,214.88 is: 392,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,951.95 : 924,425.46 = 261,214.88 : x
  2. Step 2: Convert to fraction form
    615,951.95/924,425.46 = 261,214.88/x
  3. Step 3: Cross multiply
    615,951.95x = 924,425.46 × 261,214.88
  4. Step 4: Simplify right side
    615,951.95x = 241,473,680,980.72
  5. Step 5: Solve for x
    x = 241,473,680,980.72/615,951.95
  6. Step 6: Final answer
    x = 392,033.31

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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.