Home / 251,944.90-347,670.84-156,449.55

Finding the Fourth Proportional to 251,944.90, 347,670.84 and 156,449.55

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Solution

The fourth proportional to 251,944.90, 347,670.84 and 156,449.55 is: 215,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,944.90 : 347,670.84 = 156,449.55 : x
  2. Step 2: Convert to fraction form
    251,944.90/347,670.84 = 156,449.55/x
  3. Step 3: Cross multiply
    251,944.90x = 347,670.84 × 156,449.55
  4. Step 4: Simplify right side
    251,944.90x = 54,392,946,466.12
  5. Step 5: Solve for x
    x = 54,392,946,466.12/251,944.90
  6. Step 6: Final answer
    x = 215,892.23

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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.