Home / 287,327.66-396,512.17-166,539.02

Finding the Fourth Proportional to 287,327.66, 396,512.17 and 166,539.02

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Solution

The fourth proportional to 287,327.66, 396,512.17 and 166,539.02 is: 229,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,327.66 : 396,512.17 = 166,539.02 : x
  2. Step 2: Convert to fraction form
    287,327.66/396,512.17 = 166,539.02/x
  3. Step 3: Cross multiply
    287,327.66x = 396,512.17 × 166,539.02
  4. Step 4: Simplify right side
    287,327.66x = 66,034,745,810.97
  5. Step 5: Solve for x
    x = 66,034,745,810.97/287,327.66
  6. Step 6: Final answer
    x = 229,823.84

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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.