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Finding the Fourth Proportional to 202,229.10, 303,343.65 and 187,022.70

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Solution

The fourth proportional to 202,229.10, 303,343.65 and 187,022.70 is: 280,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,229.10 : 303,343.65 = 187,022.70 : x
  2. Step 2: Convert to fraction form
    202,229.10/303,343.65 = 187,022.70/x
  3. Step 3: Cross multiply
    202,229.10x = 303,343.65 × 187,022.70
  4. Step 4: Simplify right side
    202,229.10x = 56,732,148,450.86
  5. Step 5: Solve for x
    x = 56,732,148,450.86/202,229.10
  6. Step 6: Final answer
    x = 280,534.05

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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.