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Finding the Fourth Proportional to 329,712.97, 491,606.51 and 301,562.79

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Solution

The fourth proportional to 329,712.97, 491,606.51 and 301,562.79 is: 449,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,712.97 : 491,606.51 = 301,562.79 : x
  2. Step 2: Convert to fraction form
    329,712.97/491,606.51 = 301,562.79/x
  3. Step 3: Cross multiply
    329,712.97x = 491,606.51 × 301,562.79
  4. Step 4: Simplify right side
    329,712.97x = 148,250,230,737.76
  5. Step 5: Solve for x
    x = 148,250,230,737.76/329,712.97
  6. Step 6: Final answer
    x = 449,634.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.