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Finding the Fourth Proportional to 408,041.35, 563,110.71 and 226,760.92

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Solution

The fourth proportional to 408,041.35, 563,110.71 and 226,760.92 is: 312,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,041.35 : 563,110.71 = 226,760.92 : x
  2. Step 2: Convert to fraction form
    408,041.35/563,110.71 = 226,760.92/x
  3. Step 3: Cross multiply
    408,041.35x = 563,110.71 × 226,760.92
  4. Step 4: Simplify right side
    408,041.35x = 127,691,501,041.09
  5. Step 5: Solve for x
    x = 127,691,501,041.09/408,041.35
  6. Step 6: Final answer
    x = 312,937.65

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1.5x scale

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.