Home / 859,179.96-1,288,671.12-228,144.60

Finding the Fourth Proportional to 859,179.96, 1,288,671.12 and 228,144.60

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Solution

The fourth proportional to 859,179.96, 1,288,671.12 and 228,144.60 is: 342,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,179.96 : 1,288,671.12 = 228,144.60 : x
  2. Step 2: Convert to fraction form
    859,179.96/1,288,671.12 = 228,144.60/x
  3. Step 3: Cross multiply
    859,179.96x = 1,288,671.12 × 228,144.60
  4. Step 4: Simplify right side
    859,179.96x = 294,003,357,203.95
  5. Step 5: Solve for x
    x = 294,003,357,203.95/859,179.96
  6. Step 6: Final answer
    x = 342,190.66

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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.