Home / 859,182.21-1,288,674.50-228,146.85

Finding the Fourth Proportional to 859,182.21, 1,288,674.50 and 228,146.85

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Solution

The fourth proportional to 859,182.21, 1,288,674.50 and 228,146.85 is: 342,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,182.21 : 1,288,674.50 = 228,146.85 : x
  2. Step 2: Convert to fraction form
    859,182.21/1,288,674.50 = 228,146.85/x
  3. Step 3: Cross multiply
    859,182.21x = 1,288,674.50 × 228,146.85
  4. Step 4: Simplify right side
    859,182.21x = 294,007,026,709.59
  5. Step 5: Solve for x
    x = 294,007,026,709.59/859,182.21
  6. Step 6: Final answer
    x = 342,194.03

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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.