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Finding the Fourth Proportional to 445,782, 615,179.15 and 254,799.49

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Solution

The fourth proportional to 445,782, 615,179.15 and 254,799.49 is: 351,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,782 : 615,179.15 = 254,799.49 : x
  2. Step 2: Convert to fraction form
    445,782/615,179.15 = 254,799.49/x
  3. Step 3: Cross multiply
    445,782x = 615,179.15 × 254,799.49
  4. Step 4: Simplify right side
    445,782x = 156,747,333,678.63
  5. Step 5: Solve for x
    x = 156,747,333,678.63/445,782
  6. Step 6: Final answer
    x = 351,623.29

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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.