Home / 278,006.22-416,851.34-109,435.26

Finding the Fourth Proportional to 278,006.22, 416,851.34 and 109,435.26

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Solution

The fourth proportional to 278,006.22, 416,851.34 and 109,435.26 is: 164,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,006.22 : 416,851.34 = 109,435.26 : x
  2. Step 2: Convert to fraction form
    278,006.22/416,851.34 = 109,435.26/x
  3. Step 3: Cross multiply
    278,006.22x = 416,851.34 × 109,435.26
  4. Step 4: Simplify right side
    278,006.22x = 45,618,234,774.25
  5. Step 5: Solve for x
    x = 45,618,234,774.25/278,006.22
  6. Step 6: Final answer
    x = 164,090.70

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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.