Home / 380,687.03-571,034.49-153,087.96

Finding the Fourth Proportional to 380,687.03, 571,034.49 and 153,087.96

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Solution

The fourth proportional to 380,687.03, 571,034.49 and 153,087.96 is: 229,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,687.03 : 571,034.49 = 153,087.96 : x
  2. Step 2: Convert to fraction form
    380,687.03/571,034.49 = 153,087.96/x
  3. Step 3: Cross multiply
    380,687.03x = 571,034.49 × 153,087.96
  4. Step 4: Simplify right side
    380,687.03x = 87,418,506,591.33
  5. Step 5: Solve for x
    x = 87,418,506,591.33/380,687.03
  6. Step 6: Final answer
    x = 229,633.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.