Home / 287,549.18-396,817.88-166,760.52

Finding the Fourth Proportional to 287,549.18, 396,817.88 and 166,760.52

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Solution

The fourth proportional to 287,549.18, 396,817.88 and 166,760.52 is: 230,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,549.18 : 396,817.88 = 166,760.52 : x
  2. Step 2: Convert to fraction form
    287,549.18/396,817.88 = 166,760.52/x
  3. Step 3: Cross multiply
    287,549.18x = 396,817.88 × 166,760.52
  4. Step 4: Simplify right side
    287,549.18x = 66,173,556,014.10
  5. Step 5: Solve for x
    x = 66,173,556,014.10/287,549.18
  6. Step 6: Final answer
    x = 230,129.52

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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.