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Finding the Fourth Proportional to 335,942.78, 463,600.94 and 185,039.78

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Solution

The fourth proportional to 335,942.78, 463,600.94 and 185,039.78 is: 255,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,942.78 : 463,600.94 = 185,039.78 : x
  2. Step 2: Convert to fraction form
    335,942.78/463,600.94 = 185,039.78/x
  3. Step 3: Cross multiply
    335,942.78x = 463,600.94 × 185,039.78
  4. Step 4: Simplify right side
    335,942.78x = 85,784,612,702.19
  5. Step 5: Solve for x
    x = 85,784,612,702.19/335,942.78
  6. Step 6: Final answer
    x = 255,354.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.