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Finding the Fourth Proportional to 248,147, 371,924.04 and 90,289.52

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Solution

The fourth proportional to 248,147, 371,924.04 and 90,289.52 is: 135,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,147 : 371,924.04 = 90,289.52 : x
  2. Step 2: Convert to fraction form
    248,147/371,924.04 = 90,289.52/x
  3. Step 3: Cross multiply
    248,147x = 371,924.04 × 90,289.52
  4. Step 4: Simplify right side
    248,147x = 33,580,843,048.06
  5. Step 5: Solve for x
    x = 33,580,843,048.06/248,147
  6. Step 6: Final answer
    x = 135,326.41

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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.