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Finding the Fourth Proportional to 650,748.40, 976,268.40 and 251,353.60

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Solution

The fourth proportional to 650,748.40, 976,268.40 and 251,353.60 is: 377,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,748.40 : 976,268.40 = 251,353.60 : x
  2. Step 2: Convert to fraction form
    650,748.40/976,268.40 = 251,353.60/x
  3. Step 3: Cross multiply
    650,748.40x = 976,268.40 × 251,353.60
  4. Step 4: Simplify right side
    650,748.40x = 245,388,576,906.24
  5. Step 5: Solve for x
    x = 245,388,576,906.24/650,748.40
  6. Step 6: Final answer
    x = 377,086.72

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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.