Home / 287,207.24-396,399.14-166,348.50

Finding the Fourth Proportional to 287,207.24, 396,399.14 and 166,348.50

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Solution

The fourth proportional to 287,207.24, 396,399.14 and 166,348.50 is: 229,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,207.24 : 396,399.14 = 166,348.50 : x
  2. Step 2: Convert to fraction form
    287,207.24/396,399.14 = 166,348.50/x
  3. Step 3: Cross multiply
    287,207.24x = 396,399.14 × 166,348.50
  4. Step 4: Simplify right side
    287,207.24x = 65,940,402,340.29
  5. Step 5: Solve for x
    x = 65,940,402,340.29/287,207.24
  6. Step 6: Final answer
    x = 229,591.71

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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.