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Finding the Fourth Proportional to 510,442.16, 765,604.92 and 136,494.32

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Solution

The fourth proportional to 510,442.16, 765,604.92 and 136,494.32 is: 204,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,442.16 : 765,604.92 = 136,494.32 : x
  2. Step 2: Convert to fraction form
    510,442.16/765,604.92 = 136,494.32/x
  3. Step 3: Cross multiply
    510,442.16x = 765,604.92 × 136,494.32
  4. Step 4: Simplify right side
    510,442.16x = 104,500,722,944.05
  5. Step 5: Solve for x
    x = 104,500,722,944.05/510,442.16
  6. Step 6: Final answer
    x = 204,725.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.