Home / 221,392.56-332,145-63,621.17

Finding the Fourth Proportional to 221,392.56, 332,145 and 63,621.17

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Solution

The fourth proportional to 221,392.56, 332,145 and 63,621.17 is: 95,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392.56 : 332,145 = 63,621.17 : x
  2. Step 2: Convert to fraction form
    221,392.56/332,145 = 63,621.17/x
  3. Step 3: Cross multiply
    221,392.56x = 332,145 × 63,621.17
  4. Step 4: Simplify right side
    221,392.56x = 21,131,453,509.65
  5. Step 5: Solve for x
    x = 21,131,453,509.65/221,392.56
  6. Step 6: Final answer
    x = 95,447.89

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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.