Home / 379,769.85-524,072.03-209,998.17

Finding the Fourth Proportional to 379,769.85, 524,072.03 and 209,998.17

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Solution

The fourth proportional to 379,769.85, 524,072.03 and 209,998.17 is: 289,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,769.85 : 524,072.03 = 209,998.17 : x
  2. Step 2: Convert to fraction form
    379,769.85/524,072.03 = 209,998.17/x
  3. Step 3: Cross multiply
    379,769.85x = 524,072.03 × 209,998.17
  4. Step 4: Simplify right side
    379,769.85x = 110,054,166,198.19
  5. Step 5: Solve for x
    x = 110,054,166,198.19/379,769.85
  6. Step 6: Final answer
    x = 289,791.74

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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.