Home / 224,736.11-310,198.38-129,273.56

Finding the Fourth Proportional to 224,736.11, 310,198.38 and 129,273.56

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Solution

The fourth proportional to 224,736.11, 310,198.38 and 129,273.56 is: 178,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,736.11 : 310,198.38 = 129,273.56 : x
  2. Step 2: Convert to fraction form
    224,736.11/310,198.38 = 129,273.56/x
  3. Step 3: Cross multiply
    224,736.11x = 310,198.38 × 129,273.56
  4. Step 4: Simplify right side
    224,736.11x = 40,100,448,888.83
  5. Step 5: Solve for x
    x = 40,100,448,888.83/224,736.11
  6. Step 6: Final answer
    x = 178,433.49

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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.