Home / 219,942.72-329,911.20-53,732.16

Finding the Fourth Proportional to 219,942.72, 329,911.20 and 53,732.16

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Solution

The fourth proportional to 219,942.72, 329,911.20 and 53,732.16 is: 80,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.72 : 329,911.20 = 53,732.16 : x
  2. Step 2: Convert to fraction form
    219,942.72/329,911.20 = 53,732.16/x
  3. Step 3: Cross multiply
    219,942.72x = 329,911.20 × 53,732.16
  4. Step 4: Simplify right side
    219,942.72x = 17,726,841,384.19
  5. Step 5: Solve for x
    x = 17,726,841,384.19/219,942.72
  6. Step 6: Final answer
    x = 80,597.54

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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.