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Finding the Fourth Proportional to 279,383.44, 385,549.14 and 152,059.96

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Solution

The fourth proportional to 279,383.44, 385,549.14 and 152,059.96 is: 209,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,383.44 : 385,549.14 = 152,059.96 : x
  2. Step 2: Convert to fraction form
    279,383.44/385,549.14 = 152,059.96/x
  3. Step 3: Cross multiply
    279,383.44x = 385,549.14 × 152,059.96
  4. Step 4: Simplify right side
    279,383.44x = 58,626,586,806.43
  5. Step 5: Solve for x
    x = 58,626,586,806.43/279,383.44
  6. Step 6: Final answer
    x = 209,842.74

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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.