Home / 282,971.97-423,959.70-266,115.33

Finding the Fourth Proportional to 282,971.97, 423,959.70 and 266,115.33

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Solution

The fourth proportional to 282,971.97, 423,959.70 and 266,115.33 is: 398,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,971.97 : 423,959.70 = 266,115.33 : x
  2. Step 2: Convert to fraction form
    282,971.97/423,959.70 = 266,115.33/x
  3. Step 3: Cross multiply
    282,971.97x = 423,959.70 × 266,115.33
  4. Step 4: Simplify right side
    282,971.97x = 112,822,175,472.20
  5. Step 5: Solve for x
    x = 112,822,175,472.20/282,971.97
  6. Step 6: Final answer
    x = 398,704.42

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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.