Home / 275,549.82-380,438.07-168,182.10

Finding the Fourth Proportional to 275,549.82, 380,438.07 and 168,182.10

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Solution

The fourth proportional to 275,549.82, 380,438.07 and 168,182.10 is: 232,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,549.82 : 380,438.07 = 168,182.10 : x
  2. Step 2: Convert to fraction form
    275,549.82/380,438.07 = 168,182.10/x
  3. Step 3: Cross multiply
    275,549.82x = 380,438.07 × 168,182.10
  4. Step 4: Simplify right side
    275,549.82x = 63,982,873,532.55
  5. Step 5: Solve for x
    x = 63,982,873,532.55/275,549.82
  6. Step 6: Final answer
    x = 232,200.75

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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.