Home / 251,861.40-347,608.67-149,891.31

Finding the Fourth Proportional to 251,861.40, 347,608.67 and 149,891.31

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Solution

The fourth proportional to 251,861.40, 347,608.67 and 149,891.31 is: 206,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,861.40 : 347,608.67 = 149,891.31 : x
  2. Step 2: Convert to fraction form
    251,861.40/347,608.67 = 149,891.31/x
  3. Step 3: Cross multiply
    251,861.40x = 347,608.67 × 149,891.31
  4. Step 4: Simplify right side
    251,861.40x = 52,103,518,164.20
  5. Step 5: Solve for x
    x = 52,103,518,164.20/251,861.40
  6. Step 6: Final answer
    x = 206,873.77

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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.