Home / 282,187.08-389,422.92-154,874.52

Finding the Fourth Proportional to 282,187.08, 389,422.92 and 154,874.52

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Solution

The fourth proportional to 282,187.08, 389,422.92 and 154,874.52 is: 213,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,187.08 : 389,422.92 = 154,874.52 : x
  2. Step 2: Convert to fraction form
    282,187.08/389,422.92 = 154,874.52/x
  3. Step 3: Cross multiply
    282,187.08x = 389,422.92 × 154,874.52
  4. Step 4: Simplify right side
    282,187.08x = 60,311,687,812.00
  5. Step 5: Solve for x
    x = 60,311,687,812.00/282,187.08
  6. Step 6: Final answer
    x = 213,729.44

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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.