Home / 219,469.28-329,054.16-105,556.94

Finding the Fourth Proportional to 219,469.28, 329,054.16 and 105,556.94

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Solution

The fourth proportional to 219,469.28, 329,054.16 and 105,556.94 is: 158,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,469.28 : 329,054.16 = 105,556.94 : x
  2. Step 2: Convert to fraction form
    219,469.28/329,054.16 = 105,556.94/x
  3. Step 3: Cross multiply
    219,469.28x = 329,054.16 × 105,556.94
  4. Step 4: Simplify right side
    219,469.28x = 34,733,950,223.87
  5. Step 5: Solve for x
    x = 34,733,950,223.87/219,469.28
  6. Step 6: Final answer
    x = 158,263.38

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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.