Home / 445,834.08-615,165.30-254,806.92

Finding the Fourth Proportional to 445,834.08, 615,165.30 and 254,806.92

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Solution

The fourth proportional to 445,834.08, 615,165.30 and 254,806.92 is: 351,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,834.08 : 615,165.30 = 254,806.92 : x
  2. Step 2: Convert to fraction form
    445,834.08/615,165.30 = 254,806.92/x
  3. Step 3: Cross multiply
    445,834.08x = 615,165.30 × 254,806.92
  4. Step 4: Simplify right side
    445,834.08x = 156,748,375,383.88
  5. Step 5: Solve for x
    x = 156,748,375,383.88/445,834.08
  6. Step 6: Final answer
    x = 351,584.55

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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.