Home / 393,849.06-543,506.94-224,082.78

Finding the Fourth Proportional to 393,849.06, 543,506.94 and 224,082.78

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Solution

The fourth proportional to 393,849.06, 543,506.94 and 224,082.78 is: 309,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,849.06 : 543,506.94 = 224,082.78 : x
  2. Step 2: Convert to fraction form
    393,849.06/543,506.94 = 224,082.78/x
  3. Step 3: Cross multiply
    393,849.06x = 543,506.94 × 224,082.78
  4. Step 4: Simplify right side
    393,849.06x = 121,790,546,064.49
  5. Step 5: Solve for x
    x = 121,790,546,064.49/393,849.06
  6. Step 6: Final answer
    x = 309,231.53

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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.