Home / 270,631.16-373,471.72-149,780.78

Finding the Fourth Proportional to 270,631.16, 373,471.72 and 149,780.78

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Solution

The fourth proportional to 270,631.16, 373,471.72 and 149,780.78 is: 206,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,631.16 : 373,471.72 = 149,780.78 : x
  2. Step 2: Convert to fraction form
    270,631.16/373,471.72 = 149,780.78/x
  3. Step 3: Cross multiply
    270,631.16x = 373,471.72 × 149,780.78
  4. Step 4: Simplify right side
    270,631.16x = 55,938,885,529.54
  5. Step 5: Solve for x
    x = 55,938,885,529.54/270,631.16
  6. Step 6: Final answer
    x = 206,697.87

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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.