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Finding the Fourth Proportional to 440,301.60, 660,284.73 and 187,422.48

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Solution

The fourth proportional to 440,301.60, 660,284.73 and 187,422.48 is: 281,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,301.60 : 660,284.73 = 187,422.48 : x
  2. Step 2: Convert to fraction form
    440,301.60/660,284.73 = 187,422.48/x
  3. Step 3: Cross multiply
    440,301.60x = 660,284.73 × 187,422.48
  4. Step 4: Simplify right side
    440,301.60x = 123,752,201,602.73
  5. Step 5: Solve for x
    x = 123,752,201,602.73/440,301.60
  6. Step 6: Final answer
    x = 281,062.35

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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.