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Finding the Fourth Proportional to 204,452.70, 306,679.05 and 191,330.70

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Solution

The fourth proportional to 204,452.70, 306,679.05 and 191,330.70 is: 286,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,452.70 : 306,679.05 = 191,330.70 : x
  2. Step 2: Convert to fraction form
    204,452.70/306,679.05 = 191,330.70/x
  3. Step 3: Cross multiply
    204,452.70x = 306,679.05 × 191,330.70
  4. Step 4: Simplify right side
    204,452.70x = 58,677,117,311.84
  5. Step 5: Solve for x
    x = 58,677,117,311.84/204,452.70
  6. Step 6: Final answer
    x = 286,996.05

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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.