Home / 254,539.20-351,102.72-156,379.44

Finding the Fourth Proportional to 254,539.20, 351,102.72 and 156,379.44

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Solution

The fourth proportional to 254,539.20, 351,102.72 and 156,379.44 is: 215,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,539.20 : 351,102.72 = 156,379.44 : x
  2. Step 2: Convert to fraction form
    254,539.20/351,102.72 = 156,379.44/x
  3. Step 3: Cross multiply
    254,539.20x = 351,102.72 × 156,379.44
  4. Step 4: Simplify right side
    254,539.20x = 54,905,246,736.08
  5. Step 5: Solve for x
    x = 54,905,246,736.08/254,539.20
  6. Step 6: Final answer
    x = 215,704.48

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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.