Home / 330,117.12-495,383.04-161,740.80

Finding the Fourth Proportional to 330,117.12, 495,383.04 and 161,740.80

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Solution

The fourth proportional to 330,117.12, 495,383.04 and 161,740.80 is: 242,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,117.12 : 495,383.04 = 161,740.80 : x
  2. Step 2: Convert to fraction form
    330,117.12/495,383.04 = 161,740.80/x
  3. Step 3: Cross multiply
    330,117.12x = 495,383.04 × 161,740.80
  4. Step 4: Simplify right side
    330,117.12x = 80,123,649,196.03
  5. Step 5: Solve for x
    x = 80,123,649,196.03/330,117.12
  6. Step 6: Final answer
    x = 242,712.80

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1.5x scale

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.