Home / 327,634.40-491,451.76-90,977.04

Finding the Fourth Proportional to 327,634.40, 491,451.76 and 90,977.04

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Solution

The fourth proportional to 327,634.40, 491,451.76 and 90,977.04 is: 136,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,634.40 : 491,451.76 = 90,977.04 : x
  2. Step 2: Convert to fraction form
    327,634.40/491,451.76 = 90,977.04/x
  3. Step 3: Cross multiply
    327,634.40x = 491,451.76 × 90,977.04
  4. Step 4: Simplify right side
    327,634.40x = 44,710,826,427.59
  5. Step 5: Solve for x
    x = 44,710,826,427.59/327,634.40
  6. Step 6: Final answer
    x = 136,465.60

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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.