Home / 330,422.03-495,633.52-81,104.03

Finding the Fourth Proportional to 330,422.03, 495,633.52 and 81,104.03

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Solution

The fourth proportional to 330,422.03, 495,633.52 and 81,104.03 is: 121,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,422.03 : 495,633.52 = 81,104.03 : x
  2. Step 2: Convert to fraction form
    330,422.03/495,633.52 = 81,104.03/x
  3. Step 3: Cross multiply
    330,422.03x = 495,633.52 × 81,104.03
  4. Step 4: Simplify right side
    330,422.03x = 40,197,876,911.41
  5. Step 5: Solve for x
    x = 40,197,876,911.41/330,422.03
  6. Step 6: Final answer
    x = 121,656.16

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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.