Home / 303,726.20-455,589.30-135,246.20

Finding the Fourth Proportional to 303,726.20, 455,589.30 and 135,246.20

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Solution

The fourth proportional to 303,726.20, 455,589.30 and 135,246.20 is: 202,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,726.20 : 455,589.30 = 135,246.20 : x
  2. Step 2: Convert to fraction form
    303,726.20/455,589.30 = 135,246.20/x
  3. Step 3: Cross multiply
    303,726.20x = 455,589.30 × 135,246.20
  4. Step 4: Simplify right side
    303,726.20x = 61,616,721,585.66
  5. Step 5: Solve for x
    x = 61,616,721,585.66/303,726.20
  6. Step 6: Final answer
    x = 202,869.30

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Similar ratio
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1.5x scale

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.