Home / 287,217.48-396,102.09-179,797.30

Finding the Fourth Proportional to 287,217.48, 396,102.09 and 179,797.30

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Solution

The fourth proportional to 287,217.48, 396,102.09 and 179,797.30 is: 247,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,217.48 : 396,102.09 = 179,797.30 : x
  2. Step 2: Convert to fraction form
    287,217.48/396,102.09 = 179,797.30/x
  3. Step 3: Cross multiply
    287,217.48x = 396,102.09 × 179,797.30
  4. Step 4: Simplify right side
    287,217.48x = 71,218,086,306.36
  5. Step 5: Solve for x
    x = 71,218,086,306.36/287,217.48
  6. Step 6: Final answer
    x = 247,958.75

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1.5x scale

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.