Home / 220,724.20-330,636.92-202,332.88

Finding the Fourth Proportional to 220,724.20, 330,636.92 and 202,332.88

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Solution

The fourth proportional to 220,724.20, 330,636.92 and 202,332.88 is: 303,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,724.20 : 330,636.92 = 202,332.88 : x
  2. Step 2: Convert to fraction form
    220,724.20/330,636.92 = 202,332.88/x
  3. Step 3: Cross multiply
    220,724.20x = 330,636.92 × 202,332.88
  4. Step 4: Simplify right side
    220,724.20x = 66,898,718,419.67
  5. Step 5: Solve for x
    x = 66,898,718,419.67/220,724.20
  6. Step 6: Final answer
    x = 303,087.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.