Home / 297,320.45-410,305.22-161,355.57

Finding the Fourth Proportional to 297,320.45, 410,305.22 and 161,355.57

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Solution

The fourth proportional to 297,320.45, 410,305.22 and 161,355.57 is: 222,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,320.45 : 410,305.22 = 161,355.57 : x
  2. Step 2: Convert to fraction form
    297,320.45/410,305.22 = 161,355.57/x
  3. Step 3: Cross multiply
    297,320.45x = 410,305.22 × 161,355.57
  4. Step 4: Simplify right side
    297,320.45x = 66,205,030,906.74
  5. Step 5: Solve for x
    x = 66,205,030,906.74/297,320.45
  6. Step 6: Final answer
    x = 222,672.31

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1.5x scale

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.