Home / 275,736.29-380,507.79-153,228.26

Finding the Fourth Proportional to 275,736.29, 380,507.79 and 153,228.26

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Solution

The fourth proportional to 275,736.29, 380,507.79 and 153,228.26 is: 211,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,736.29 : 380,507.79 = 153,228.26 : x
  2. Step 2: Convert to fraction form
    275,736.29/380,507.79 = 153,228.26/x
  3. Step 3: Cross multiply
    275,736.29x = 380,507.79 × 153,228.26
  4. Step 4: Simplify right side
    275,736.29x = 58,304,543,909.47
  5. Step 5: Solve for x
    x = 58,304,543,909.47/275,736.29
  6. Step 6: Final answer
    x = 211,450.39

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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.