Home / 222,790.50-307,467.09-127,295.15

Finding the Fourth Proportional to 222,790.50, 307,467.09 and 127,295.15

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Solution

The fourth proportional to 222,790.50, 307,467.09 and 127,295.15 is: 175,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.50 : 307,467.09 = 127,295.15 : x
  2. Step 2: Convert to fraction form
    222,790.50/307,467.09 = 127,295.15/x
  3. Step 3: Cross multiply
    222,790.50x = 307,467.09 × 127,295.15
  4. Step 4: Simplify right side
    222,790.50x = 39,139,067,804.28
  5. Step 5: Solve for x
    x = 39,139,067,804.28/222,790.50
  6. Step 6: Final answer
    x = 175,676.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.