Home / 351,131.38-484,557.85-189,982.89

Finding the Fourth Proportional to 351,131.38, 484,557.85 and 189,982.89

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Solution

The fourth proportional to 351,131.38, 484,557.85 and 189,982.89 is: 262,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,131.38 : 484,557.85 = 189,982.89 : x
  2. Step 2: Convert to fraction form
    351,131.38/484,557.85 = 189,982.89/x
  3. Step 3: Cross multiply
    351,131.38x = 484,557.85 × 189,982.89
  4. Step 4: Simplify right side
    351,131.38x = 92,057,700,715.19
  5. Step 5: Solve for x
    x = 92,057,700,715.19/351,131.38
  6. Step 6: Final answer
    x = 262,174.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.