Home / 411,629.20-618,077.40-225,005.20

Finding the Fourth Proportional to 411,629.20, 618,077.40 and 225,005.20

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Solution

The fourth proportional to 411,629.20, 618,077.40 and 225,005.20 is: 337,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,629.20 : 618,077.40 = 225,005.20 : x
  2. Step 2: Convert to fraction form
    411,629.20/618,077.40 = 225,005.20/x
  3. Step 3: Cross multiply
    411,629.20x = 618,077.40 × 225,005.20
  4. Step 4: Simplify right side
    411,629.20x = 139,070,629,002.48
  5. Step 5: Solve for x
    x = 139,070,629,002.48/411,629.20
  6. Step 6: Final answer
    x = 337,854.14

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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.