Home / 275,157.24-379,771.46-178,480.91

Finding the Fourth Proportional to 275,157.24, 379,771.46 and 178,480.91

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Solution

The fourth proportional to 275,157.24, 379,771.46 and 178,480.91 is: 246,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,157.24 : 379,771.46 = 178,480.91 : x
  2. Step 2: Convert to fraction form
    275,157.24/379,771.46 = 178,480.91/x
  3. Step 3: Cross multiply
    275,157.24x = 379,771.46 × 178,480.91
  4. Step 4: Simplify right side
    275,157.24x = 67,781,952,981.57
  5. Step 5: Solve for x
    x = 67,781,952,981.57/275,157.24
  6. Step 6: Final answer
    x = 246,338.98

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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.