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Finding the Fourth Proportional to 449,151.96, 619,841 and 255,549

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Solution

The fourth proportional to 449,151.96, 619,841 and 255,549 is: 352,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,151.96 : 619,841 = 255,549 : x
  2. Step 2: Convert to fraction form
    449,151.96/619,841 = 255,549/x
  3. Step 3: Cross multiply
    449,151.96x = 619,841 × 255,549
  4. Step 4: Simplify right side
    449,151.96x = 158,399,747,709
  5. Step 5: Solve for x
    x = 158,399,747,709/449,151.96
  6. Step 6: Final answer
    x = 352,664.05

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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.