Home / 416,139.13-574,272-225,152.52

Finding the Fourth Proportional to 416,139.13, 574,272 and 225,152.52

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Solution

The fourth proportional to 416,139.13, 574,272 and 225,152.52 is: 310,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,139.13 : 574,272 = 225,152.52 : x
  2. Step 2: Convert to fraction form
    416,139.13/574,272 = 225,152.52/x
  3. Step 3: Cross multiply
    416,139.13x = 574,272 × 225,152.52
  4. Step 4: Simplify right side
    416,139.13x = 129,298,787,965.44
  5. Step 5: Solve for x
    x = 129,298,787,965.44/416,139.13
  6. Step 6: Final answer
    x = 310,710.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.