Home / 278,261.85-417,426.06-98,310.03

Finding the Fourth Proportional to 278,261.85, 417,426.06 and 98,310.03

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Solution

The fourth proportional to 278,261.85, 417,426.06 and 98,310.03 is: 147,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,261.85 : 417,426.06 = 98,310.03 : x
  2. Step 2: Convert to fraction form
    278,261.85/417,426.06 = 98,310.03/x
  3. Step 3: Cross multiply
    278,261.85x = 417,426.06 × 98,310.03
  4. Step 4: Simplify right side
    278,261.85x = 41,037,168,481.38
  5. Step 5: Solve for x
    x = 41,037,168,481.38/278,261.85
  6. Step 6: Final answer
    x = 147,476.80

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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.