Home / 386,934.12-580,284.54-137,601

Finding the Fourth Proportional to 386,934.12, 580,284.54 and 137,601

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Solution

The fourth proportional to 386,934.12, 580,284.54 and 137,601 is: 206,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,934.12 : 580,284.54 = 137,601 : x
  2. Step 2: Convert to fraction form
    386,934.12/580,284.54 = 137,601/x
  3. Step 3: Cross multiply
    386,934.12x = 580,284.54 × 137,601
  4. Step 4: Simplify right side
    386,934.12x = 79,847,732,988.54
  5. Step 5: Solve for x
    x = 79,847,732,988.54/386,934.12
  6. Step 6: Final answer
    x = 206,360.02

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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.