Home / 251,944.65-347,670.50-156,449.30

Finding the Fourth Proportional to 251,944.65, 347,670.50 and 156,449.30

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Solution

The fourth proportional to 251,944.65, 347,670.50 and 156,449.30 is: 215,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,944.65 : 347,670.50 = 156,449.30 : x
  2. Step 2: Convert to fraction form
    251,944.65/347,670.50 = 156,449.30/x
  3. Step 3: Cross multiply
    251,944.65x = 347,670.50 × 156,449.30
  4. Step 4: Simplify right side
    251,944.65x = 54,392,803,835.05
  5. Step 5: Solve for x
    x = 54,392,803,835.05/251,944.65
  6. Step 6: Final answer
    x = 215,891.88

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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.