Home / 219,904.40-329,467.80-195,021.20

Finding the Fourth Proportional to 219,904.40, 329,467.80 and 195,021.20

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Solution

The fourth proportional to 219,904.40, 329,467.80 and 195,021.20 is: 292,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,904.40 : 329,467.80 = 195,021.20 : x
  2. Step 2: Convert to fraction form
    219,904.40/329,467.80 = 195,021.20/x
  3. Step 3: Cross multiply
    219,904.40x = 329,467.80 × 195,021.20
  4. Step 4: Simplify right side
    219,904.40x = 64,253,205,717.36
  5. Step 5: Solve for x
    x = 64,253,205,717.36/219,904.40
  6. Step 6: Final answer
    x = 292,186.99

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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.