Home / 449,103.42-619,747.29-267,721.83

Finding the Fourth Proportional to 449,103.42, 619,747.29 and 267,721.83

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Solution

The fourth proportional to 449,103.42, 619,747.29 and 267,721.83 is: 369,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,103.42 : 619,747.29 = 267,721.83 : x
  2. Step 2: Convert to fraction form
    449,103.42/619,747.29 = 267,721.83/x
  3. Step 3: Cross multiply
    449,103.42x = 619,747.29 × 267,721.83
  4. Step 4: Simplify right side
    449,103.42x = 165,919,878,616.34
  5. Step 5: Solve for x
    x = 165,919,878,616.34/449,103.42
  6. Step 6: Final answer
    x = 369,446.93

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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.