Home / 270,140.32-372,792.72-149,278.24

Finding the Fourth Proportional to 270,140.32, 372,792.72 and 149,278.24

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Solution

The fourth proportional to 270,140.32, 372,792.72 and 149,278.24 is: 206,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,140.32 : 372,792.72 = 149,278.24 : x
  2. Step 2: Convert to fraction form
    270,140.32/372,792.72 = 149,278.24/x
  3. Step 3: Cross multiply
    270,140.32x = 372,792.72 × 149,278.24
  4. Step 4: Simplify right side
    270,140.32x = 55,649,841,126.41
  5. Step 5: Solve for x
    x = 55,649,841,126.41/270,140.32
  6. Step 6: Final answer
    x = 206,003.46

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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.