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Finding the Fourth Proportional to 275,608.87, 380,373.89 and 173,632.62

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Solution

The fourth proportional to 275,608.87, 380,373.89 and 173,632.62 is: 239,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,608.87 : 380,373.89 = 173,632.62 : x
  2. Step 2: Convert to fraction form
    275,608.87/380,373.89 = 173,632.62/x
  3. Step 3: Cross multiply
    275,608.87x = 380,373.89 × 173,632.62
  4. Step 4: Simplify right side
    275,608.87x = 66,045,314,495.61
  5. Step 5: Solve for x
    x = 66,045,314,495.61/275,608.87
  6. Step 6: Final answer
    x = 239,634.21

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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.