Home / 269,084.40-403,338.60-91,426.80

Finding the Fourth Proportional to 269,084.40, 403,338.60 and 91,426.80

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Solution

The fourth proportional to 269,084.40, 403,338.60 and 91,426.80 is: 137,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,084.40 : 403,338.60 = 91,426.80 : x
  2. Step 2: Convert to fraction form
    269,084.40/403,338.60 = 91,426.80/x
  3. Step 3: Cross multiply
    269,084.40x = 403,338.60 × 91,426.80
  4. Step 4: Simplify right side
    269,084.40x = 36,875,957,514.48
  5. Step 5: Solve for x
    x = 36,875,957,514.48/269,084.40
  6. Step 6: Final answer
    x = 137,042.35

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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.