Home / 220,306.33-303,995.85-123,487.84

Finding the Fourth Proportional to 220,306.33, 303,995.85 and 123,487.84

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Solution

The fourth proportional to 220,306.33, 303,995.85 and 123,487.84 is: 170,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.33 : 303,995.85 = 123,487.84 : x
  2. Step 2: Convert to fraction form
    220,306.33/303,995.85 = 123,487.84/x
  3. Step 3: Cross multiply
    220,306.33x = 303,995.85 × 123,487.84
  4. Step 4: Simplify right side
    220,306.33x = 37,539,789,365.48
  5. Step 5: Solve for x
    x = 37,539,789,365.48/220,306.33
  6. Step 6: Final answer
    x = 170,398.15

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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.