Home / 353,267.25-487,301.26-222,236.53

Finding the Fourth Proportional to 353,267.25, 487,301.26 and 222,236.53

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Solution

The fourth proportional to 353,267.25, 487,301.26 and 222,236.53 is: 306,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.25 : 487,301.26 = 222,236.53 : x
  2. Step 2: Convert to fraction form
    353,267.25/487,301.26 = 222,236.53/x
  3. Step 3: Cross multiply
    353,267.25x = 487,301.26 × 222,236.53
  4. Step 4: Simplify right side
    353,267.25x = 108,296,141,476.95
  5. Step 5: Solve for x
    x = 108,296,141,476.95/353,267.25
  6. Step 6: Final answer
    x = 306,555.85

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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.