Home / 330,835.03-495,961.34-131,295.58

Finding the Fourth Proportional to 330,835.03, 495,961.34 and 131,295.58

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Solution

The fourth proportional to 330,835.03, 495,961.34 and 131,295.58 is: 196,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,835.03 : 495,961.34 = 131,295.58 : x
  2. Step 2: Convert to fraction form
    330,835.03/495,961.34 = 131,295.58/x
  3. Step 3: Cross multiply
    330,835.03x = 495,961.34 × 131,295.58
  4. Step 4: Simplify right side
    330,835.03x = 65,117,531,792.88
  5. Step 5: Solve for x
    x = 65,117,531,792.88/330,835.03
  6. Step 6: Final answer
    x = 196,827.80

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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.