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Finding the Fourth Proportional to 248,607.73, 372,902.25 and 148,101.42

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Solution

The fourth proportional to 248,607.73, 372,902.25 and 148,101.42 is: 222,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,607.73 : 372,902.25 = 148,101.42 : x
  2. Step 2: Convert to fraction form
    248,607.73/372,902.25 = 148,101.42/x
  3. Step 3: Cross multiply
    248,607.73x = 372,902.25 × 148,101.42
  4. Step 4: Simplify right side
    248,607.73x = 55,227,352,746.20
  5. Step 5: Solve for x
    x = 55,227,352,746.20/248,607.73
  6. Step 6: Final answer
    x = 222,146.56

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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.