Home / 256,884.05-354,571.30-149,474.90

Finding the Fourth Proportional to 256,884.05, 354,571.30 and 149,474.90

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Solution

The fourth proportional to 256,884.05, 354,571.30 and 149,474.90 is: 206,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,884.05 : 354,571.30 = 149,474.90 : x
  2. Step 2: Convert to fraction form
    256,884.05/354,571.30 = 149,474.90/x
  3. Step 3: Cross multiply
    256,884.05x = 354,571.30 × 149,474.90
  4. Step 4: Simplify right side
    256,884.05x = 52,999,510,683.64
  5. Step 5: Solve for x
    x = 52,999,510,683.64/256,884.05
  6. Step 6: Final answer
    x = 206,316.86

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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.