Home / 287,515.44-396,754.20-166,647.24

Finding the Fourth Proportional to 287,515.44, 396,754.20 and 166,647.24

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Solution

The fourth proportional to 287,515.44, 396,754.20 and 166,647.24 is: 229,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,515.44 : 396,754.20 = 166,647.24 : x
  2. Step 2: Convert to fraction form
    287,515.44/396,754.20 = 166,647.24/x
  3. Step 3: Cross multiply
    287,515.44x = 396,754.20 × 166,647.24
  4. Step 4: Simplify right side
    287,515.44x = 66,117,992,388.41
  5. Step 5: Solve for x
    x = 66,117,992,388.41/287,515.44
  6. Step 6: Final answer
    x = 229,963.28

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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.