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Finding the Fourth Proportional to 300,329.94, 450,020.68 and 243,895.44

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Solution

The fourth proportional to 300,329.94, 450,020.68 and 243,895.44 is: 365,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,329.94 : 450,020.68 = 243,895.44 : x
  2. Step 2: Convert to fraction form
    300,329.94/450,020.68 = 243,895.44/x
  3. Step 3: Cross multiply
    300,329.94x = 450,020.68 × 243,895.44
  4. Step 4: Simplify right side
    300,329.94x = 109,757,991,757.70
  5. Step 5: Solve for x
    x = 109,757,991,757.70/300,329.94
  6. Step 6: Final answer
    x = 365,458.04

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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.