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Finding the Fourth Proportional to 303,436.85, 455,647.35 and 204,037.70

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Solution

The fourth proportional to 303,436.85, 455,647.35 and 204,037.70 is: 306,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,436.85 : 455,647.35 = 204,037.70 : x
  2. Step 2: Convert to fraction form
    303,436.85/455,647.35 = 204,037.70/x
  3. Step 3: Cross multiply
    303,436.85x = 455,647.35 × 204,037.70
  4. Step 4: Simplify right side
    303,436.85x = 92,969,237,305.10
  5. Step 5: Solve for x
    x = 92,969,237,305.10/303,436.85
  6. Step 6: Final answer
    x = 306,387.43

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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.