Home / 275,496.10-380,190.26-154,646.13

Finding the Fourth Proportional to 275,496.10, 380,190.26 and 154,646.13

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Solution

The fourth proportional to 275,496.10, 380,190.26 and 154,646.13 is: 213,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,496.10 : 380,190.26 = 154,646.13 : x
  2. Step 2: Convert to fraction form
    275,496.10/380,190.26 = 154,646.13/x
  3. Step 3: Cross multiply
    275,496.10x = 380,190.26 × 154,646.13
  4. Step 4: Simplify right side
    275,496.10x = 58,794,952,372.69
  5. Step 5: Solve for x
    x = 58,794,952,372.69/275,496.10
  6. Step 6: Final answer
    x = 213,414.83

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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.