Home / 287,131.18-396,235.11-179,760.28

Finding the Fourth Proportional to 287,131.18, 396,235.11 and 179,760.28

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Solution

The fourth proportional to 287,131.18, 396,235.11 and 179,760.28 is: 248,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,131.18 : 396,235.11 = 179,760.28 : x
  2. Step 2: Convert to fraction form
    287,131.18/396,235.11 = 179,760.28/x
  3. Step 3: Cross multiply
    287,131.18x = 396,235.11 × 179,760.28
  4. Step 4: Simplify right side
    287,131.18x = 71,227,334,319.43
  5. Step 5: Solve for x
    x = 71,227,334,319.43/287,131.18
  6. Step 6: Final answer
    x = 248,065.48

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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.