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Finding the Fourth Proportional to 200,363.41, 300,464.33 and 72,243.19

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Solution

The fourth proportional to 200,363.41, 300,464.33 and 72,243.19 is: 108,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,363.41 : 300,464.33 = 72,243.19 : x
  2. Step 2: Convert to fraction form
    200,363.41/300,464.33 = 72,243.19/x
  3. Step 3: Cross multiply
    200,363.41x = 300,464.33 × 72,243.19
  4. Step 4: Simplify right side
    200,363.41x = 21,706,500,178.09
  5. Step 5: Solve for x
    x = 21,706,500,178.09/200,363.41
  6. Step 6: Final answer
    x = 108,335.65

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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.