Home / 219,334.52-329,003.40-53,122.52

Finding the Fourth Proportional to 219,334.52, 329,003.40 and 53,122.52

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Solution

The fourth proportional to 219,334.52, 329,003.40 and 53,122.52 is: 79,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,334.52 : 329,003.40 = 53,122.52 : x
  2. Step 2: Convert to fraction form
    219,334.52/329,003.40 = 53,122.52/x
  3. Step 3: Cross multiply
    219,334.52x = 329,003.40 × 53,122.52
  4. Step 4: Simplify right side
    219,334.52x = 17,477,489,696.57
  5. Step 5: Solve for x
    x = 17,477,489,696.57/219,334.52
  6. Step 6: Final answer
    x = 79,684.17

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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.