Home / 289,576.57-433,884.79-204,917.26

Finding the Fourth Proportional to 289,576.57, 433,884.79 and 204,917.26

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Solution

The fourth proportional to 289,576.57, 433,884.79 and 204,917.26 is: 307,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,576.57 : 433,884.79 = 204,917.26 : x
  2. Step 2: Convert to fraction form
    289,576.57/433,884.79 = 204,917.26/x
  3. Step 3: Cross multiply
    289,576.57x = 433,884.79 × 204,917.26
  4. Step 4: Simplify right side
    289,576.57x = 88,910,479,128.47
  5. Step 5: Solve for x
    x = 88,910,479,128.47/289,576.57
  6. Step 6: Final answer
    x = 307,036.17

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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.