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Finding the Fourth Proportional to 625,242.24, 937,671.84 and 225,833.76

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Solution

The fourth proportional to 625,242.24, 937,671.84 and 225,833.76 is: 338,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,242.24 : 937,671.84 = 225,833.76 : x
  2. Step 2: Convert to fraction form
    625,242.24/937,671.84 = 225,833.76/x
  3. Step 3: Cross multiply
    625,242.24x = 937,671.84 × 225,833.76
  4. Step 4: Simplify right side
    625,242.24x = 211,757,957,273.32
  5. Step 5: Solve for x
    x = 211,757,957,273.32/625,242.24
  6. Step 6: Final answer
    x = 338,681.46

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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.