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Finding the Fourth Proportional to 377,162.40, 566,399.70 and 200,015.40

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Solution

The fourth proportional to 377,162.40, 566,399.70 and 200,015.40 is: 300,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,162.40 : 566,399.70 = 200,015.40 : x
  2. Step 2: Convert to fraction form
    377,162.40/566,399.70 = 200,015.40/x
  3. Step 3: Cross multiply
    377,162.40x = 566,399.70 × 200,015.40
  4. Step 4: Simplify right side
    377,162.40x = 113,288,662,555.38
  5. Step 5: Solve for x
    x = 113,288,662,555.38/377,162.40
  6. Step 6: Final answer
    x = 300,371.04

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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.