Home / 449,119.48-619,769.40-267,737.80

Finding the Fourth Proportional to 449,119.48, 619,769.40 and 267,737.80

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Solution

The fourth proportional to 449,119.48, 619,769.40 and 267,737.80 is: 369,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,119.48 : 619,769.40 = 267,737.80 : x
  2. Step 2: Convert to fraction form
    449,119.48/619,769.40 = 267,737.80/x
  3. Step 3: Cross multiply
    449,119.48x = 619,769.40 × 267,737.80
  4. Step 4: Simplify right side
    449,119.48x = 165,935,695,663.32
  5. Step 5: Solve for x
    x = 165,935,695,663.32/449,119.48
  6. Step 6: Final answer
    x = 369,468.93

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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.