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Finding the Fourth Proportional to 250,687.50, 345,906.27 and 165,759.18

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Solution

The fourth proportional to 250,687.50, 345,906.27 and 165,759.18 is: 228,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,687.50 : 345,906.27 = 165,759.18 : x
  2. Step 2: Convert to fraction form
    250,687.50/345,906.27 = 165,759.18/x
  3. Step 3: Cross multiply
    250,687.50x = 345,906.27 × 165,759.18
  4. Step 4: Simplify right side
    250,687.50x = 57,337,139,672.06
  5. Step 5: Solve for x
    x = 57,337,139,672.06/250,687.50
  6. Step 6: Final answer
    x = 228,719.58

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1.5x scale

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.