Home / 274,948.82-379,411.41-161,749.70

Finding the Fourth Proportional to 274,948.82, 379,411.41 and 161,749.70

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Solution

The fourth proportional to 274,948.82, 379,411.41 and 161,749.70 is: 223,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,948.82 : 379,411.41 = 161,749.70 : x
  2. Step 2: Convert to fraction form
    274,948.82/379,411.41 = 161,749.70/x
  3. Step 3: Cross multiply
    274,948.82x = 379,411.41 × 161,749.70
  4. Step 4: Simplify right side
    274,948.82x = 61,369,681,744.08
  5. Step 5: Solve for x
    x = 61,369,681,744.08/274,948.82
  6. Step 6: Final answer
    x = 223,204.02

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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.