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Finding the Fourth Proportional to 303,927.33, 455,483.48 and 236,540.73

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Solution

The fourth proportional to 303,927.33, 455,483.48 and 236,540.73 is: 354,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,927.33 : 455,483.48 = 236,540.73 : x
  2. Step 2: Convert to fraction form
    303,927.33/455,483.48 = 236,540.73/x
  3. Step 3: Cross multiply
    303,927.33x = 455,483.48 × 236,540.73
  4. Step 4: Simplify right side
    303,927.33x = 107,740,393,679.44
  5. Step 5: Solve for x
    x = 107,740,393,679.44/303,927.33
  6. Step 6: Final answer
    x = 354,493.93

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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.