Home / 297,882.45-411,077.03-161,916.39

Finding the Fourth Proportional to 297,882.45, 411,077.03 and 161,916.39

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Solution

The fourth proportional to 297,882.45, 411,077.03 and 161,916.39 is: 223,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,882.45 : 411,077.03 = 161,916.39 : x
  2. Step 2: Convert to fraction form
    297,882.45/411,077.03 = 161,916.39/x
  3. Step 3: Cross multiply
    297,882.45x = 411,077.03 × 161,916.39
  4. Step 4: Simplify right side
    297,882.45x = 66,560,107,899.94
  5. Step 5: Solve for x
    x = 66,560,107,899.94/297,882.45
  6. Step 6: Final answer
    x = 223,444.21

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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.