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Finding the Fourth Proportional to 354,882.58, 489,745.37 and 193,744.42

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Solution

The fourth proportional to 354,882.58, 489,745.37 and 193,744.42 is: 267,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,882.58 : 489,745.37 = 193,744.42 : x
  2. Step 2: Convert to fraction form
    354,882.58/489,745.37 = 193,744.42/x
  3. Step 3: Cross multiply
    354,882.58x = 489,745.37 × 193,744.42
  4. Step 4: Simplify right side
    354,882.58x = 94,885,432,658.34
  5. Step 5: Solve for x
    x = 94,885,432,658.34/354,882.58
  6. Step 6: Final answer
    x = 267,371.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.