Home / 342,620.11-513,928.54-228,526.75

Finding the Fourth Proportional to 342,620.11, 513,928.54 and 228,526.75

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Solution

The fourth proportional to 342,620.11, 513,928.54 and 228,526.75 is: 342,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,620.11 : 513,928.54 = 228,526.75 : x
  2. Step 2: Convert to fraction form
    342,620.11/513,928.54 = 228,526.75/x
  3. Step 3: Cross multiply
    342,620.11x = 513,928.54 × 228,526.75
  4. Step 4: Simplify right side
    342,620.11x = 117,446,418,978.45
  5. Step 5: Solve for x
    x = 117,446,418,978.45/342,620.11
  6. Step 6: Final answer
    x = 342,789.04

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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.