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Finding the Fourth Proportional to 264,811.92, 397,093.02 and 96,213.36

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Solution

The fourth proportional to 264,811.92, 397,093.02 and 96,213.36 is: 144,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,811.92 : 397,093.02 = 96,213.36 : x
  2. Step 2: Convert to fraction form
    264,811.92/397,093.02 = 96,213.36/x
  3. Step 3: Cross multiply
    264,811.92x = 397,093.02 × 96,213.36
  4. Step 4: Simplify right side
    264,811.92x = 38,205,653,686.75
  5. Step 5: Solve for x
    x = 38,205,653,686.75/264,811.92
  6. Step 6: Final answer
    x = 144,274.67

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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.