Home / 827,201.10-1,240,887.90-228,162.36

Finding the Fourth Proportional to 827,201.10, 1,240,887.90 and 228,162.36

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Solution

The fourth proportional to 827,201.10, 1,240,887.90 and 228,162.36 is: 342,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,201.10 : 1,240,887.90 = 228,162.36 : x
  2. Step 2: Convert to fraction form
    827,201.10/1,240,887.90 = 228,162.36/x
  3. Step 3: Cross multiply
    827,201.10x = 1,240,887.90 × 228,162.36
  4. Step 4: Simplify right side
    827,201.10x = 283,123,911,759.44
  5. Step 5: Solve for x
    x = 283,123,911,759.44/827,201.10
  6. Step 6: Final answer
    x = 342,267.33

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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.