Home / 270,630.16-373,470.34-149,779.78

Finding the Fourth Proportional to 270,630.16, 373,470.34 and 149,779.78

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Solution

The fourth proportional to 270,630.16, 373,470.34 and 149,779.78 is: 206,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,630.16 : 373,470.34 = 149,779.78 : x
  2. Step 2: Convert to fraction form
    270,630.16/373,470.34 = 149,779.78/x
  3. Step 3: Cross multiply
    270,630.16x = 373,470.34 × 149,779.78
  4. Step 4: Simplify right side
    270,630.16x = 55,938,305,361.73
  5. Step 5: Solve for x
    x = 55,938,305,361.73/270,630.16
  6. Step 6: Final answer
    x = 206,696.49

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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.