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Finding the Fourth Proportional to 225,599.76, 338,401.92 and 90,726.24

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Solution

The fourth proportional to 225,599.76, 338,401.92 and 90,726.24 is: 136,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,599.76 : 338,401.92 = 90,726.24 : x
  2. Step 2: Convert to fraction form
    225,599.76/338,401.92 = 90,726.24/x
  3. Step 3: Cross multiply
    225,599.76x = 338,401.92 × 90,726.24
  4. Step 4: Simplify right side
    225,599.76x = 30,701,933,810.38
  5. Step 5: Solve for x
    x = 30,701,933,810.38/225,599.76
  6. Step 6: Final answer
    x = 136,090.28

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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.