Home / 275,355.16-379,945.02-162,162.52

Finding the Fourth Proportional to 275,355.16, 379,945.02 and 162,162.52

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Solution

The fourth proportional to 275,355.16, 379,945.02 and 162,162.52 is: 223,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,355.16 : 379,945.02 = 162,162.52 : x
  2. Step 2: Convert to fraction form
    275,355.16/379,945.02 = 162,162.52/x
  3. Step 3: Cross multiply
    275,355.16x = 379,945.02 × 162,162.52
  4. Step 4: Simplify right side
    275,355.16x = 61,612,841,904.65
  5. Step 5: Solve for x
    x = 61,612,841,904.65/275,355.16
  6. Step 6: Final answer
    x = 223,757.72

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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.