Home / 278,002.73-416,846.11-109,431.75

Finding the Fourth Proportional to 278,002.73, 416,846.11 and 109,431.75

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Solution

The fourth proportional to 278,002.73, 416,846.11 and 109,431.75 is: 164,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,002.73 : 416,846.11 = 109,431.75 : x
  2. Step 2: Convert to fraction form
    278,002.73/416,846.11 = 109,431.75/x
  3. Step 3: Cross multiply
    278,002.73x = 416,846.11 × 109,431.75
  4. Step 4: Simplify right side
    278,002.73x = 45,616,199,024.41
  5. Step 5: Solve for x
    x = 45,616,199,024.41/278,002.73
  6. Step 6: Final answer
    x = 164,085.44

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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.