Home / 389,963.14-584,943.17-123,744.41

Finding the Fourth Proportional to 389,963.14, 584,943.17 and 123,744.41

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Solution

The fourth proportional to 389,963.14, 584,943.17 and 123,744.41 is: 185,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,963.14 : 584,943.17 = 123,744.41 : x
  2. Step 2: Convert to fraction form
    389,963.14/584,943.17 = 123,744.41/x
  3. Step 3: Cross multiply
    389,963.14x = 584,943.17 × 123,744.41
  4. Step 4: Simplify right side
    389,963.14x = 72,383,447,455.18
  5. Step 5: Solve for x
    x = 72,383,447,455.18/389,963.14
  6. Step 6: Final answer
    x = 185,616.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.