Home / 220,198.56-330,297.80-62,428.38

Finding the Fourth Proportional to 220,198.56, 330,297.80 and 62,428.38

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Solution

The fourth proportional to 220,198.56, 330,297.80 and 62,428.38 is: 93,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,198.56 : 330,297.80 = 62,428.38 : x
  2. Step 2: Convert to fraction form
    220,198.56/330,297.80 = 62,428.38/x
  3. Step 3: Cross multiply
    220,198.56x = 330,297.80 × 62,428.38
  4. Step 4: Simplify right side
    220,198.56x = 20,619,956,259.42
  5. Step 5: Solve for x
    x = 20,619,956,259.42/220,198.56
  6. Step 6: Final answer
    x = 93,642.56

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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.