Home / 250,356.28-345,491.75-135,635.72

Finding the Fourth Proportional to 250,356.28, 345,491.75 and 135,635.72

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Solution

The fourth proportional to 250,356.28, 345,491.75 and 135,635.72 is: 187,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,356.28 : 345,491.75 = 135,635.72 : x
  2. Step 2: Convert to fraction form
    250,356.28/345,491.75 = 135,635.72/x
  3. Step 3: Cross multiply
    250,356.28x = 345,491.75 × 135,635.72
  4. Step 4: Simplify right side
    250,356.28x = 46,861,021,922.42
  5. Step 5: Solve for x
    x = 46,861,021,922.42/250,356.28
  6. Step 6: Final answer
    x = 187,177.33

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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.