Home / 210,731.28-290,914.92-162,876.48

Finding the Fourth Proportional to 210,731.28, 290,914.92 and 162,876.48

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Solution

The fourth proportional to 210,731.28, 290,914.92 and 162,876.48 is: 224,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,731.28 : 290,914.92 = 162,876.48 : x
  2. Step 2: Convert to fraction form
    210,731.28/290,914.92 = 162,876.48/x
  3. Step 3: Cross multiply
    210,731.28x = 290,914.92 × 162,876.48
  4. Step 4: Simplify right side
    210,731.28x = 47,383,198,149.08
  5. Step 5: Solve for x
    x = 47,383,198,149.08/210,731.28
  6. Step 6: Final answer
    x = 224,851.28

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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.