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Finding the Fourth Proportional to 202,007.43, 303,675.53 and 187,392.83

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Solution

The fourth proportional to 202,007.43, 303,675.53 and 187,392.83 is: 281,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,007.43 : 303,675.53 = 187,392.83 : x
  2. Step 2: Convert to fraction form
    202,007.43/303,675.53 = 187,392.83/x
  3. Step 3: Cross multiply
    202,007.43x = 303,675.53 × 187,392.83
  4. Step 4: Simplify right side
    202,007.43x = 56,906,614,513.11
  5. Step 5: Solve for x
    x = 56,906,614,513.11/202,007.43
  6. Step 6: Final answer
    x = 281,705.55

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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.