Home / 485,067.40-727,428.30-169,534.60

Finding the Fourth Proportional to 485,067.40, 727,428.30 and 169,534.60

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Solution

The fourth proportional to 485,067.40, 727,428.30 and 169,534.60 is: 254,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,067.40 : 727,428.30 = 169,534.60 : x
  2. Step 2: Convert to fraction form
    485,067.40/727,428.30 = 169,534.60/x
  3. Step 3: Cross multiply
    485,067.40x = 727,428.30 × 169,534.60
  4. Step 4: Simplify right side
    485,067.40x = 123,324,265,869.18
  5. Step 5: Solve for x
    x = 123,324,265,869.18/485,067.40
  6. Step 6: Final answer
    x = 254,241.51

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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.