Home / 859,212.12-1,288,717.20-228,174.60

Finding the Fourth Proportional to 859,212.12, 1,288,717.20 and 228,174.60

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Solution

The fourth proportional to 859,212.12, 1,288,717.20 and 228,174.60 is: 342,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,212.12 : 1,288,717.20 = 228,174.60 : x
  2. Step 2: Convert to fraction form
    859,212.12/1,288,717.20 = 228,174.60/x
  3. Step 3: Cross multiply
    859,212.12x = 1,288,717.20 × 228,174.60
  4. Step 4: Simplify right side
    859,212.12x = 294,052,531,623.12
  5. Step 5: Solve for x
    x = 294,052,531,623.12/859,212.12
  6. Step 6: Final answer
    x = 342,235.08

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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.