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Finding the Fourth Proportional to 510,249.60, 764,959.68 and 178,058.88

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Solution

The fourth proportional to 510,249.60, 764,959.68 and 178,058.88 is: 266,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,249.60 : 764,959.68 = 178,058.88 : x
  2. Step 2: Convert to fraction form
    510,249.60/764,959.68 = 178,058.88/x
  3. Step 3: Cross multiply
    510,249.60x = 764,959.68 × 178,058.88
  4. Step 4: Simplify right side
    510,249.60x = 136,207,863,865.96
  5. Step 5: Solve for x
    x = 136,207,863,865.96/510,249.60
  6. Step 6: Final answer
    x = 266,943.60

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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.