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Finding the Fourth Proportional to 262,333.56, 393,458.40 and 93,822.42

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Solution

The fourth proportional to 262,333.56, 393,458.40 and 93,822.42 is: 140,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,333.56 : 393,458.40 = 93,822.42 : x
  2. Step 2: Convert to fraction form
    262,333.56/393,458.40 = 93,822.42/x
  3. Step 3: Cross multiply
    262,333.56x = 393,458.40 × 93,822.42
  4. Step 4: Simplify right side
    262,333.56x = 36,915,219,257.33
  5. Step 5: Solve for x
    x = 36,915,219,257.33/262,333.56
  6. Step 6: Final answer
    x = 140,718.63

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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.