Home / 275,480.10-413,309.43-135,140.31

Finding the Fourth Proportional to 275,480.10, 413,309.43 and 135,140.31

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Solution

The fourth proportional to 275,480.10, 413,309.43 and 135,140.31 is: 202,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,480.10 : 413,309.43 = 135,140.31 : x
  2. Step 2: Convert to fraction form
    275,480.10/413,309.43 = 135,140.31/x
  3. Step 3: Cross multiply
    275,480.10x = 413,309.43 × 135,140.31
  4. Step 4: Simplify right side
    275,480.10x = 55,854,764,496.12
  5. Step 5: Solve for x
    x = 55,854,764,496.12/275,480.10
  6. Step 6: Final answer
    x = 202,754.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.