Home / 274,241.56-378,452.26-153,382.36

Finding the Fourth Proportional to 274,241.56, 378,452.26 and 153,382.36

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Solution

The fourth proportional to 274,241.56, 378,452.26 and 153,382.36 is: 211,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,241.56 : 378,452.26 = 153,382.36 : x
  2. Step 2: Convert to fraction form
    274,241.56/378,452.26 = 153,382.36/x
  3. Step 3: Cross multiply
    274,241.56x = 378,452.26 × 153,382.36
  4. Step 4: Simplify right side
    274,241.56x = 58,047,900,786.13
  5. Step 5: Solve for x
    x = 58,047,900,786.13/274,241.56
  6. Step 6: Final answer
    x = 211,667.05

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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.