Home / 853,198.77-1,280,074.98-254,165.11

Finding the Fourth Proportional to 853,198.77, 1,280,074.98 and 254,165.11

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Solution

The fourth proportional to 853,198.77, 1,280,074.98 and 254,165.11 is: 381,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,198.77 : 1,280,074.98 = 254,165.11 : x
  2. Step 2: Convert to fraction form
    853,198.77/1,280,074.98 = 254,165.11/x
  3. Step 3: Cross multiply
    853,198.77x = 1,280,074.98 × 254,165.11
  4. Step 4: Simplify right side
    853,198.77x = 325,350,394,423.20
  5. Step 5: Solve for x
    x = 325,350,394,423.20/853,198.77
  6. Step 6: Final answer
    x = 381,330.13

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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.