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Finding the Fourth Proportional to 219,916.62, 329,833.62 and 62,144.01

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Solution

The fourth proportional to 219,916.62, 329,833.62 and 62,144.01 is: 93,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916.62 : 329,833.62 = 62,144.01 : x
  2. Step 2: Convert to fraction form
    219,916.62/329,833.62 = 62,144.01/x
  3. Step 3: Cross multiply
    219,916.62x = 329,833.62 × 62,144.01
  4. Step 4: Simplify right side
    219,916.62x = 20,497,183,779.62
  5. Step 5: Solve for x
    x = 20,497,183,779.62/219,916.62
  6. Step 6: Final answer
    x = 93,204.34

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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.