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Finding the Fourth Proportional to 303,960.20, 455,845.52 and 114,446.93

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Solution

The fourth proportional to 303,960.20, 455,845.52 and 114,446.93 is: 171,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,960.20 : 455,845.52 = 114,446.93 : x
  2. Step 2: Convert to fraction form
    303,960.20/455,845.52 = 114,446.93/x
  3. Step 3: Cross multiply
    303,960.20x = 455,845.52 × 114,446.93
  4. Step 4: Simplify right side
    303,960.20x = 52,170,118,325.14
  5. Step 5: Solve for x
    x = 52,170,118,325.14/303,960.20
  6. Step 6: Final answer
    x = 171,634.70

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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.