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Finding the Fourth Proportional to 450,898, 622,239.42 and 249,694

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Solution

The fourth proportional to 450,898, 622,239.42 and 249,694 is: 344,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,898 : 622,239.42 = 249,694 : x
  2. Step 2: Convert to fraction form
    450,898/622,239.42 = 249,694/x
  3. Step 3: Cross multiply
    450,898x = 622,239.42 × 249,694
  4. Step 4: Simplify right side
    450,898x = 155,369,449,737.48
  5. Step 5: Solve for x
    x = 155,369,449,737.48/450,898
  6. Step 6: Final answer
    x = 344,577.82

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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.