Home / 375,819.91-518,652.69-222,948.61

Finding the Fourth Proportional to 375,819.91, 518,652.69 and 222,948.61

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Solution

The fourth proportional to 375,819.91, 518,652.69 and 222,948.61 is: 307,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,819.91 : 518,652.69 = 222,948.61 : x
  2. Step 2: Convert to fraction form
    375,819.91/518,652.69 = 222,948.61/x
  3. Step 3: Cross multiply
    375,819.91x = 518,652.69 × 222,948.61
  4. Step 4: Simplify right side
    375,819.91x = 115,632,894,175.57
  5. Step 5: Solve for x
    x = 115,632,894,175.57/375,819.91
  6. Step 6: Final answer
    x = 307,681.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.