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Finding the Fourth Proportional to 222,876.44, 307,494.66 and 127,315.46

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Solution

The fourth proportional to 222,876.44, 307,494.66 and 127,315.46 is: 175,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,876.44 : 307,494.66 = 127,315.46 : x
  2. Step 2: Convert to fraction form
    222,876.44/307,494.66 = 127,315.46/x
  3. Step 3: Cross multiply
    222,876.44x = 307,494.66 × 127,315.46
  4. Step 4: Simplify right side
    222,876.44x = 39,148,824,376.75
  5. Step 5: Solve for x
    x = 39,148,824,376.75/222,876.44
  6. Step 6: Final answer
    x = 175,652.59

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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.