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Finding the Fourth Proportional to 304,789.60, 456,147.60 and 267,464.80

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Solution

The fourth proportional to 304,789.60, 456,147.60 and 267,464.80 is: 400,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,789.60 : 456,147.60 = 267,464.80 : x
  2. Step 2: Convert to fraction form
    304,789.60/456,147.60 = 267,464.80/x
  3. Step 3: Cross multiply
    304,789.60x = 456,147.60 × 267,464.80
  4. Step 4: Simplify right side
    304,789.60x = 122,003,426,604.48
  5. Step 5: Solve for x
    x = 122,003,426,604.48/304,789.60
  6. Step 6: Final answer
    x = 400,287.37

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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.