Home / 354,086.40-488,632.91-192,942.84

Finding the Fourth Proportional to 354,086.40, 488,632.91 and 192,942.84

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Solution

The fourth proportional to 354,086.40, 488,632.91 and 192,942.84 is: 266,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,086.40 : 488,632.91 = 192,942.84 : x
  2. Step 2: Convert to fraction form
    354,086.40/488,632.91 = 192,942.84/x
  3. Step 3: Cross multiply
    354,086.40x = 488,632.91 × 192,942.84
  4. Step 4: Simplify right side
    354,086.40x = 94,278,221,372.86
  5. Step 5: Solve for x
    x = 94,278,221,372.86/354,086.40
  6. Step 6: Final answer
    x = 266,257.67

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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.