Home / 287,651.18-396,794.03-180,034.38

Finding the Fourth Proportional to 287,651.18, 396,794.03 and 180,034.38

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Solution

The fourth proportional to 287,651.18, 396,794.03 and 180,034.38 is: 248,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,651.18 : 396,794.03 = 180,034.38 : x
  2. Step 2: Convert to fraction form
    287,651.18/396,794.03 = 180,034.38/x
  3. Step 3: Cross multiply
    287,651.18x = 396,794.03 × 180,034.38
  4. Step 4: Simplify right side
    287,651.18x = 71,436,566,278.58
  5. Step 5: Solve for x
    x = 71,436,566,278.58/287,651.18
  6. Step 6: Final answer
    x = 248,344.42

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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.