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Finding the Fourth Proportional to 275,925.26, 380,778.26 and 161,210.42

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Solution

The fourth proportional to 275,925.26, 380,778.26 and 161,210.42 is: 222,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,925.26 : 380,778.26 = 161,210.42 : x
  2. Step 2: Convert to fraction form
    275,925.26/380,778.26 = 161,210.42/x
  3. Step 3: Cross multiply
    275,925.26x = 380,778.26 × 161,210.42
  4. Step 4: Simplify right side
    275,925.26x = 61,385,420,511.53
  5. Step 5: Solve for x
    x = 61,385,420,511.53/275,925.26
  6. Step 6: Final answer
    x = 222,471.19

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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.