Home / 381,316.68-571,635.23-144,825.48

Finding the Fourth Proportional to 381,316.68, 571,635.23 and 144,825.48

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Solution

The fourth proportional to 381,316.68, 571,635.23 and 144,825.48 is: 217,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,316.68 : 571,635.23 = 144,825.48 : x
  2. Step 2: Convert to fraction form
    381,316.68/571,635.23 = 144,825.48/x
  3. Step 3: Cross multiply
    381,316.68x = 571,635.23 × 144,825.48
  4. Step 4: Simplify right side
    381,316.68x = 82,787,345,845.53
  5. Step 5: Solve for x
    x = 82,787,345,845.53/381,316.68
  6. Step 6: Final answer
    x = 217,109.16

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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.