Home / 221,377.32-305,488.26-125,907.24

Finding the Fourth Proportional to 221,377.32, 305,488.26 and 125,907.24

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Solution

The fourth proportional to 221,377.32, 305,488.26 and 125,907.24 is: 173,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,377.32 : 305,488.26 = 125,907.24 : x
  2. Step 2: Convert to fraction form
    221,377.32/305,488.26 = 125,907.24/x
  3. Step 3: Cross multiply
    221,377.32x = 305,488.26 × 125,907.24
  4. Step 4: Simplify right side
    221,377.32x = 38,463,183,669.00
  5. Step 5: Solve for x
    x = 38,463,183,669.00/221,377.32
  6. Step 6: Final answer
    x = 173,744.92

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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.