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Finding the Fourth Proportional to 650,615.92, 975,962.16 and 251,258.80

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Solution

The fourth proportional to 650,615.92, 975,962.16 and 251,258.80 is: 376,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,615.92 : 975,962.16 = 251,258.80 : x
  2. Step 2: Convert to fraction form
    650,615.92/975,962.16 = 251,258.80/x
  3. Step 3: Cross multiply
    650,615.92x = 975,962.16 × 251,258.80
  4. Step 4: Simplify right side
    650,615.92x = 245,219,081,167.01
  5. Step 5: Solve for x
    x = 245,219,081,167.01/650,615.92
  6. Step 6: Final answer
    x = 376,902.98

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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.