Home / 380,943.92-571,511.06-268,842.96

Finding the Fourth Proportional to 380,943.92, 571,511.06 and 268,842.96

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Solution

The fourth proportional to 380,943.92, 571,511.06 and 268,842.96 is: 403,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,943.92 : 571,511.06 = 268,842.96 : x
  2. Step 2: Convert to fraction form
    380,943.92/571,511.06 = 268,842.96/x
  3. Step 3: Cross multiply
    380,943.92x = 571,511.06 × 268,842.96
  4. Step 4: Simplify right side
    380,943.92x = 153,646,723,698.92
  5. Step 5: Solve for x
    x = 153,646,723,698.92/380,943.92
  6. Step 6: Final answer
    x = 403,331.61

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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.