Home / 445,832.20-615,248.38-254,849.68

Finding the Fourth Proportional to 445,832.20, 615,248.38 and 254,849.68

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Solution

The fourth proportional to 445,832.20, 615,248.38 and 254,849.68 is: 351,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,832.20 : 615,248.38 = 254,849.68 : x
  2. Step 2: Convert to fraction form
    445,832.20/615,248.38 = 254,849.68/x
  3. Step 3: Cross multiply
    445,832.20x = 615,248.38 × 254,849.68
  4. Step 4: Simplify right side
    445,832.20x = 156,795,852,763.52
  5. Step 5: Solve for x
    x = 156,795,852,763.52/445,832.20
  6. Step 6: Final answer
    x = 351,692.53

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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.