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Finding the Fourth Proportional to 510,676.38, 765,585.72 and 222,272.58

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Solution

The fourth proportional to 510,676.38, 765,585.72 and 222,272.58 is: 333,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,676.38 : 765,585.72 = 222,272.58 : x
  2. Step 2: Convert to fraction form
    510,676.38/765,585.72 = 222,272.58/x
  3. Step 3: Cross multiply
    510,676.38x = 765,585.72 × 222,272.58
  4. Step 4: Simplify right side
    510,676.38x = 170,168,713,195.56
  5. Step 5: Solve for x
    x = 170,168,713,195.56/510,676.38
  6. Step 6: Final answer
    x = 333,222.21

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1.5x scale

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.