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Finding the Fourth Proportional to 363,385.71, 501,467.28 and 202,240.73

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Solution

The fourth proportional to 363,385.71, 501,467.28 and 202,240.73 is: 279,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,385.71 : 501,467.28 = 202,240.73 : x
  2. Step 2: Convert to fraction form
    363,385.71/501,467.28 = 202,240.73/x
  3. Step 3: Cross multiply
    363,385.71x = 501,467.28 × 202,240.73
  4. Step 4: Simplify right side
    363,385.71x = 101,417,108,778.31
  5. Step 5: Solve for x
    x = 101,417,108,778.31/363,385.71
  6. Step 6: Final answer
    x = 279,089.42

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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.