Home / 220,344.80-304,057.23-122,222.12

Finding the Fourth Proportional to 220,344.80, 304,057.23 and 122,222.12

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Solution

The fourth proportional to 220,344.80, 304,057.23 and 122,222.12 is: 168,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,344.80 : 304,057.23 = 122,222.12 : x
  2. Step 2: Convert to fraction form
    220,344.80/304,057.23 = 122,222.12/x
  3. Step 3: Cross multiply
    220,344.80x = 304,057.23 × 122,222.12
  4. Step 4: Simplify right side
    220,344.80x = 37,162,519,251.93
  5. Step 5: Solve for x
    x = 37,162,519,251.93/220,344.80
  6. Step 6: Final answer
    x = 168,656.21

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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.