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Finding the Fourth Proportional to 225,604.20, 338,406.72 and 92,460.63

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Solution

The fourth proportional to 225,604.20, 338,406.72 and 92,460.63 is: 138,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,604.20 : 338,406.72 = 92,460.63 : x
  2. Step 2: Convert to fraction form
    225,604.20/338,406.72 = 92,460.63/x
  3. Step 3: Cross multiply
    225,604.20x = 338,406.72 × 92,460.63
  4. Step 4: Simplify right side
    225,604.20x = 31,289,298,527.43
  5. Step 5: Solve for x
    x = 31,289,298,527.43/225,604.20
  6. Step 6: Final answer
    x = 138,691.12

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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.