Home / 250,439.47-345,600.38-135,713.09

Finding the Fourth Proportional to 250,439.47, 345,600.38 and 135,713.09

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Solution

The fourth proportional to 250,439.47, 345,600.38 and 135,713.09 is: 187,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,439.47 : 345,600.38 = 135,713.09 : x
  2. Step 2: Convert to fraction form
    250,439.47/345,600.38 = 135,713.09/x
  3. Step 3: Cross multiply
    250,439.47x = 345,600.38 × 135,713.09
  4. Step 4: Simplify right side
    250,439.47x = 46,902,495,474.97
  5. Step 5: Solve for x
    x = 46,902,495,474.97/250,439.47
  6. Step 6: Final answer
    x = 187,280.76

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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.