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Finding the Fourth Proportional to 650,608.54, 975,951.09 and 251,251.40

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Solution

The fourth proportional to 650,608.54, 975,951.09 and 251,251.40 is: 376,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,608.54 : 975,951.09 = 251,251.40 : x
  2. Step 2: Convert to fraction form
    650,608.54/975,951.09 = 251,251.40/x
  3. Step 3: Cross multiply
    650,608.54x = 975,951.09 × 251,251.40
  4. Step 4: Simplify right side
    650,608.54x = 245,209,080,133.90
  5. Step 5: Solve for x
    x = 245,209,080,133.90/650,608.54
  6. Step 6: Final answer
    x = 376,891.89

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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.