Home / 445,856.70-615,282.20-254,874.36

Finding the Fourth Proportional to 445,856.70, 615,282.20 and 254,874.36

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Solution

The fourth proportional to 445,856.70, 615,282.20 and 254,874.36 is: 351,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,856.70 : 615,282.20 = 254,874.36 : x
  2. Step 2: Convert to fraction form
    445,856.70/615,282.20 = 254,874.36/x
  3. Step 3: Cross multiply
    445,856.70x = 615,282.20 × 254,874.36
  4. Step 4: Simplify right side
    445,856.70x = 156,819,656,944.39
  5. Step 5: Solve for x
    x = 156,819,656,944.39/445,856.70
  6. Step 6: Final answer
    x = 351,726.59

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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.