Home / 275,145.08-379,560.46-179,707.64

Finding the Fourth Proportional to 275,145.08, 379,560.46 and 179,707.64

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Solution

The fourth proportional to 275,145.08, 379,560.46 and 179,707.64 is: 247,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,145.08 : 379,560.46 = 179,707.64 : x
  2. Step 2: Convert to fraction form
    275,145.08/379,560.46 = 179,707.64/x
  3. Step 3: Cross multiply
    275,145.08x = 379,560.46 × 179,707.64
  4. Step 4: Simplify right side
    275,145.08x = 68,209,914,503.91
  5. Step 5: Solve for x
    x = 68,209,914,503.91/275,145.08
  6. Step 6: Final answer
    x = 247,905.27

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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.