Home / 297,631.07-410,735.84-161,665.28

Finding the Fourth Proportional to 297,631.07, 410,735.84 and 161,665.28

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Solution

The fourth proportional to 297,631.07, 410,735.84 and 161,665.28 is: 223,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,631.07 : 410,735.84 = 161,665.28 : x
  2. Step 2: Convert to fraction form
    297,631.07/410,735.84 = 161,665.28/x
  3. Step 3: Cross multiply
    297,631.07x = 410,735.84 × 161,665.28
  4. Step 4: Simplify right side
    297,631.07x = 66,401,724,579.64
  5. Step 5: Solve for x
    x = 66,401,724,579.64/297,631.07
  6. Step 6: Final answer
    x = 223,100.78

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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.