Home / 287,399.27-396,611.10-166,610.58

Finding the Fourth Proportional to 287,399.27, 396,611.10 and 166,610.58

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Solution

The fourth proportional to 287,399.27, 396,611.10 and 166,610.58 is: 229,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,399.27 : 396,611.10 = 166,610.58 : x
  2. Step 2: Convert to fraction form
    287,399.27/396,611.10 = 166,610.58/x
  3. Step 3: Cross multiply
    287,399.27x = 396,611.10 × 166,610.58
  4. Step 4: Simplify right side
    287,399.27x = 66,079,605,405.44
  5. Step 5: Solve for x
    x = 66,079,605,405.44/287,399.27
  6. Step 6: Final answer
    x = 229,922.66

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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.