Home / 375,821.06-518,503.77-222,827.78

Finding the Fourth Proportional to 375,821.06, 518,503.77 and 222,827.78

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Solution

The fourth proportional to 375,821.06, 518,503.77 and 222,827.78 is: 307,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,821.06 : 518,503.77 = 222,827.78 : x
  2. Step 2: Convert to fraction form
    375,821.06/518,503.77 = 222,827.78/x
  3. Step 3: Cross multiply
    375,821.06x = 518,503.77 × 222,827.78
  4. Step 4: Simplify right side
    375,821.06x = 115,537,043,990.73
  5. Step 5: Solve for x
    x = 115,537,043,990.73/375,821.06
  6. Step 6: Final answer
    x = 307,425.68

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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.