Home / 380,891.04-571,188.48-203,301.12

Finding the Fourth Proportional to 380,891.04, 571,188.48 and 203,301.12

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Solution

The fourth proportional to 380,891.04, 571,188.48 and 203,301.12 is: 304,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,891.04 : 571,188.48 = 203,301.12 : x
  2. Step 2: Convert to fraction form
    380,891.04/571,188.48 = 203,301.12/x
  3. Step 3: Cross multiply
    380,891.04x = 571,188.48 × 203,301.12
  4. Step 4: Simplify right side
    380,891.04x = 116,123,257,715.10
  5. Step 5: Solve for x
    x = 116,123,257,715.10/380,891.04
  6. Step 6: Final answer
    x = 304,872.64

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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.