Home / 269,865.21-372,419.82-149,014.20

Finding the Fourth Proportional to 269,865.21, 372,419.82 and 149,014.20

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Solution

The fourth proportional to 269,865.21, 372,419.82 and 149,014.20 is: 205,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,865.21 : 372,419.82 = 149,014.20 : x
  2. Step 2: Convert to fraction form
    269,865.21/372,419.82 = 149,014.20/x
  3. Step 3: Cross multiply
    269,865.21x = 372,419.82 × 149,014.20
  4. Step 4: Simplify right side
    269,865.21x = 55,495,841,541.44
  5. Step 5: Solve for x
    x = 55,495,841,541.44/269,865.21
  6. Step 6: Final answer
    x = 205,642.82

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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.