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Finding the Fourth Proportional to 250,499.97, 345,689.46 and 137,323.53

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Solution

The fourth proportional to 250,499.97, 345,689.46 and 137,323.53 is: 189,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,499.97 : 345,689.46 = 137,323.53 : x
  2. Step 2: Convert to fraction form
    250,499.97/345,689.46 = 137,323.53/x
  3. Step 3: Cross multiply
    250,499.97x = 345,689.46 × 137,323.53
  4. Step 4: Simplify right side
    250,499.97x = 47,471,296,930.99
  5. Step 5: Solve for x
    x = 47,471,296,930.99/250,499.97
  6. Step 6: Final answer
    x = 189,506.20

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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.