Home / 282,434.30-423,517.80-164,141.90

Finding the Fourth Proportional to 282,434.30, 423,517.80 and 164,141.90

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Solution

The fourth proportional to 282,434.30, 423,517.80 and 164,141.90 is: 246,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,434.30 : 423,517.80 = 164,141.90 : x
  2. Step 2: Convert to fraction form
    282,434.30/423,517.80 = 164,141.90/x
  3. Step 3: Cross multiply
    282,434.30x = 423,517.80 × 164,141.90
  4. Step 4: Simplify right side
    282,434.30x = 69,517,016,375.82
  5. Step 5: Solve for x
    x = 69,517,016,375.82/282,434.30
  6. Step 6: Final answer
    x = 246,135.18

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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.