Home / 287,079.04-396,163.20-179,708.27

Finding the Fourth Proportional to 287,079.04, 396,163.20 and 179,708.27

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Solution

The fourth proportional to 287,079.04, 396,163.20 and 179,708.27 is: 247,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,079.04 : 396,163.20 = 179,708.27 : x
  2. Step 2: Convert to fraction form
    287,079.04/396,163.20 = 179,708.27/x
  3. Step 3: Cross multiply
    287,079.04x = 396,163.20 × 179,708.27
  4. Step 4: Simplify right side
    287,079.04x = 71,193,803,309.66
  5. Step 5: Solve for x
    x = 71,193,803,309.66/287,079.04
  6. Step 6: Final answer
    x = 247,993.73

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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.