Home / 287,301.14-396,467.44-156,475.82

Finding the Fourth Proportional to 287,301.14, 396,467.44 and 156,475.82

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Solution

The fourth proportional to 287,301.14, 396,467.44 and 156,475.82 is: 215,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301.14 : 396,467.44 = 156,475.82 : x
  2. Step 2: Convert to fraction form
    287,301.14/396,467.44 = 156,475.82/x
  3. Step 3: Cross multiply
    287,301.14x = 396,467.44 × 156,475.82
  4. Step 4: Simplify right side
    287,301.14x = 62,037,567,777.30
  5. Step 5: Solve for x
    x = 62,037,567,777.30/287,301.14
  6. Step 6: Final answer
    x = 215,932.20

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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.