Home / 318,034.97-438,876.20-182,081.55

Finding the Fourth Proportional to 318,034.97, 438,876.20 and 182,081.55

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Solution

The fourth proportional to 318,034.97, 438,876.20 and 182,081.55 is: 251,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,034.97 : 438,876.20 = 182,081.55 : x
  2. Step 2: Convert to fraction form
    318,034.97/438,876.20 = 182,081.55/x
  3. Step 3: Cross multiply
    318,034.97x = 438,876.20 × 182,081.55
  4. Step 4: Simplify right side
    318,034.97x = 79,911,260,855.10
  5. Step 5: Solve for x
    x = 79,911,260,855.10/318,034.97
  6. Step 6: Final answer
    x = 251,265.64

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1.5x scale

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.