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Finding the Fourth Proportional to 312,937.92, 468,684 and 188,003.52

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Solution

The fourth proportional to 312,937.92, 468,684 and 188,003.52 is: 281,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,937.92 : 468,684 = 188,003.52 : x
  2. Step 2: Convert to fraction form
    312,937.92/468,684 = 188,003.52/x
  3. Step 3: Cross multiply
    312,937.92x = 468,684 × 188,003.52
  4. Step 4: Simplify right side
    312,937.92x = 88,114,241,767.68
  5. Step 5: Solve for x
    x = 88,114,241,767.68/312,937.92
  6. Step 6: Final answer
    x = 281,571.00

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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.