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Finding the Fourth Proportional to 252,211.95, 378,464.54 and 94,550.31

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Solution

The fourth proportional to 252,211.95, 378,464.54 and 94,550.31 is: 141,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,211.95 : 378,464.54 = 94,550.31 : x
  2. Step 2: Convert to fraction form
    252,211.95/378,464.54 = 94,550.31/x
  3. Step 3: Cross multiply
    252,211.95x = 378,464.54 × 94,550.31
  4. Step 4: Simplify right side
    252,211.95x = 35,783,939,108.26
  5. Step 5: Solve for x
    x = 35,783,939,108.26/252,211.95
  6. Step 6: Final answer
    x = 141,880.43

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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.