Home / 287,193.12-396,297.88-166,373.32

Finding the Fourth Proportional to 287,193.12, 396,297.88 and 166,373.32

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Solution

The fourth proportional to 287,193.12, 396,297.88 and 166,373.32 is: 229,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,193.12 : 396,297.88 = 166,373.32 : x
  2. Step 2: Convert to fraction form
    287,193.12/396,297.88 = 166,373.32/x
  3. Step 3: Cross multiply
    287,193.12x = 396,297.88 × 166,373.32
  4. Step 4: Simplify right side
    287,193.12x = 65,933,394,004.56
  5. Step 5: Solve for x
    x = 65,933,394,004.56/287,193.12
  6. Step 6: Final answer
    x = 229,578.60

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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.