Home / 282,446.50-423,669.36-72,084.43

Finding the Fourth Proportional to 282,446.50, 423,669.36 and 72,084.43

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Solution

The fourth proportional to 282,446.50, 423,669.36 and 72,084.43 is: 108,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,446.50 : 423,669.36 = 72,084.43 : x
  2. Step 2: Convert to fraction form
    282,446.50/423,669.36 = 72,084.43/x
  3. Step 3: Cross multiply
    282,446.50x = 423,669.36 × 72,084.43
  4. Step 4: Simplify right side
    282,446.50x = 30,539,964,324.06
  5. Step 5: Solve for x
    x = 30,539,964,324.06/282,446.50
  6. Step 6: Final answer
    x = 108,126.55

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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.