Home / 220,230.26-303,939.06-123,450.55

Finding the Fourth Proportional to 220,230.26, 303,939.06 and 123,450.55

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Solution

The fourth proportional to 220,230.26, 303,939.06 and 123,450.55 is: 170,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,230.26 : 303,939.06 = 123,450.55 : x
  2. Step 2: Convert to fraction form
    220,230.26/303,939.06 = 123,450.55/x
  3. Step 3: Cross multiply
    220,230.26x = 303,939.06 × 123,450.55
  4. Step 4: Simplify right side
    220,230.26x = 37,521,444,123.48
  5. Step 5: Solve for x
    x = 37,521,444,123.48/220,230.26
  6. Step 6: Final answer
    x = 170,373.70

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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.