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Finding the Fourth Proportional to 263,124.92, 394,686.44 and 94,644.96

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Solution

The fourth proportional to 263,124.92, 394,686.44 and 94,644.96 is: 141,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,124.92 : 394,686.44 = 94,644.96 : x
  2. Step 2: Convert to fraction form
    263,124.92/394,686.44 = 94,644.96/x
  3. Step 3: Cross multiply
    263,124.92x = 394,686.44 × 94,644.96
  4. Step 4: Simplify right side
    263,124.92x = 37,355,082,326.34
  5. Step 5: Solve for x
    x = 37,355,082,326.34/263,124.92
  6. Step 6: Final answer
    x = 141,967.10

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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.