Home / 287,374.26-396,576.51-160,049.85

Finding the Fourth Proportional to 287,374.26, 396,576.51 and 160,049.85

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Solution

The fourth proportional to 287,374.26, 396,576.51 and 160,049.85 is: 220,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,374.26 : 396,576.51 = 160,049.85 : x
  2. Step 2: Convert to fraction form
    287,374.26/396,576.51 = 160,049.85/x
  3. Step 3: Cross multiply
    287,374.26x = 396,576.51 × 160,049.85
  4. Step 4: Simplify right side
    287,374.26x = 63,472,010,939.02
  5. Step 5: Solve for x
    x = 63,472,010,939.02/287,374.26
  6. Step 6: Final answer
    x = 220,868.81

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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.