Home / 371,947.52-513,287.92-202,181.64

Finding the Fourth Proportional to 371,947.52, 513,287.92 and 202,181.64

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Solution

The fourth proportional to 371,947.52, 513,287.92 and 202,181.64 is: 279,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,947.52 : 513,287.92 = 202,181.64 : x
  2. Step 2: Convert to fraction form
    371,947.52/513,287.92 = 202,181.64/x
  3. Step 3: Cross multiply
    371,947.52x = 513,287.92 × 202,181.64
  4. Step 4: Simplify right side
    371,947.52x = 103,777,393,457.79
  5. Step 5: Solve for x
    x = 103,777,393,457.79/371,947.52
  6. Step 6: Final answer
    x = 279,010.85

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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.