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Finding the Fourth Proportional to 204,482.70, 306,067.95 and 145,433.70

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Solution

The fourth proportional to 204,482.70, 306,067.95 and 145,433.70 is: 217,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,482.70 : 306,067.95 = 145,433.70 : x
  2. Step 2: Convert to fraction form
    204,482.70/306,067.95 = 145,433.70/x
  3. Step 3: Cross multiply
    204,482.70x = 306,067.95 × 145,433.70
  4. Step 4: Simplify right side
    204,482.70x = 44,512,594,419.92
  5. Step 5: Solve for x
    x = 44,512,594,419.92/204,482.70
  6. Step 6: Final answer
    x = 217,683.91

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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.