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Finding the Fourth Proportional to 612,080.28, 918,047.28 and 162,834

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Solution

The fourth proportional to 612,080.28, 918,047.28 and 162,834 is: 244,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,080.28 : 918,047.28 = 162,834 : x
  2. Step 2: Convert to fraction form
    612,080.28/918,047.28 = 162,834/x
  3. Step 3: Cross multiply
    612,080.28x = 918,047.28 × 162,834
  4. Step 4: Simplify right side
    612,080.28x = 149,489,310,791.52
  5. Step 5: Solve for x
    x = 149,489,310,791.52/612,080.28
  6. Step 6: Final answer
    x = 244,231.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.