Home / 445,819.91-615,231.36-254,837.40

Finding the Fourth Proportional to 445,819.91, 615,231.36 and 254,837.40

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Solution

The fourth proportional to 445,819.91, 615,231.36 and 254,837.40 is: 351,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,819.91 : 615,231.36 = 254,837.40 : x
  2. Step 2: Convert to fraction form
    445,819.91/615,231.36 = 254,837.40/x
  3. Step 3: Cross multiply
    445,819.91x = 615,231.36 × 254,837.40
  4. Step 4: Simplify right side
    445,819.91x = 156,783,960,180.86
  5. Step 5: Solve for x
    x = 156,783,960,180.86/445,819.91
  6. Step 6: Final answer
    x = 351,675.55

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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.