Home / 381,207.36-571,592.24-144,399

Finding the Fourth Proportional to 381,207.36, 571,592.24 and 144,399

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Solution

The fourth proportional to 381,207.36, 571,592.24 and 144,399 is: 216,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,207.36 : 571,592.24 = 144,399 : x
  2. Step 2: Convert to fraction form
    381,207.36/571,592.24 = 144,399/x
  3. Step 3: Cross multiply
    381,207.36x = 571,592.24 × 144,399
  4. Step 4: Simplify right side
    381,207.36x = 82,537,347,863.76
  5. Step 5: Solve for x
    x = 82,537,347,863.76/381,207.36
  6. Step 6: Final answer
    x = 216,515.62

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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.