Home / 371,540.28-512,723.34-201,772.92

Finding the Fourth Proportional to 371,540.28, 512,723.34 and 201,772.92

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Solution

The fourth proportional to 371,540.28, 512,723.34 and 201,772.92 is: 278,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,540.28 : 512,723.34 = 201,772.92 : x
  2. Step 2: Convert to fraction form
    371,540.28/512,723.34 = 201,772.92/x
  3. Step 3: Cross multiply
    371,540.28x = 512,723.34 × 201,772.92
  4. Step 4: Simplify right side
    371,540.28x = 103,453,685,463.95
  5. Step 5: Solve for x
    x = 103,453,685,463.95/371,540.28
  6. Step 6: Final answer
    x = 278,445.41

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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.