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Finding the Fourth Proportional to 221,887.44, 306,204.75 and 119,912.58

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Solution

The fourth proportional to 221,887.44, 306,204.75 and 119,912.58 is: 165,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,887.44 : 306,204.75 = 119,912.58 : x
  2. Step 2: Convert to fraction form
    221,887.44/306,204.75 = 119,912.58/x
  3. Step 3: Cross multiply
    221,887.44x = 306,204.75 × 119,912.58
  4. Step 4: Simplify right side
    221,887.44x = 36,717,801,580.76
  5. Step 5: Solve for x
    x = 36,717,801,580.76/221,887.44
  6. Step 6: Final answer
    x = 165,479.41

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1.5x scale

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.