Home / 278,003.10-416,846.63-109,432.04

Finding the Fourth Proportional to 278,003.10, 416,846.63 and 109,432.04

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Solution

The fourth proportional to 278,003.10, 416,846.63 and 109,432.04 is: 164,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,003.10 : 416,846.63 = 109,432.04 : x
  2. Step 2: Convert to fraction form
    278,003.10/416,846.63 = 109,432.04/x
  3. Step 3: Cross multiply
    278,003.10x = 416,846.63 × 109,432.04
  4. Step 4: Simplify right side
    278,003.10x = 45,616,377,088.03
  5. Step 5: Solve for x
    x = 45,616,377,088.03/278,003.10
  6. Step 6: Final answer
    x = 164,085.86

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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.