Home / 287,329.16-396,514.25-166,540.52

Finding the Fourth Proportional to 287,329.16, 396,514.25 and 166,540.52

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Solution

The fourth proportional to 287,329.16, 396,514.25 and 166,540.52 is: 229,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,329.16 : 396,514.25 = 166,540.52 : x
  2. Step 2: Convert to fraction form
    287,329.16/396,514.25 = 166,540.52/x
  3. Step 3: Cross multiply
    287,329.16x = 396,514.25 × 166,540.52
  4. Step 4: Simplify right side
    287,329.16x = 66,035,686,567.14
  5. Step 5: Solve for x
    x = 66,035,686,567.14/287,329.16
  6. Step 6: Final answer
    x = 229,825.92

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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.