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Finding the Fourth Proportional to 219,929.04, 329,893.02 and 53,717.04

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Solution

The fourth proportional to 219,929.04, 329,893.02 and 53,717.04 is: 80,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929.04 : 329,893.02 = 53,717.04 : x
  2. Step 2: Convert to fraction form
    219,929.04/329,893.02 = 53,717.04/x
  3. Step 3: Cross multiply
    219,929.04x = 329,893.02 × 53,717.04
  4. Step 4: Simplify right side
    219,929.04x = 17,720,876,551.06
  5. Step 5: Solve for x
    x = 17,720,876,551.06/219,929.04
  6. Step 6: Final answer
    x = 80,575.43

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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.