Home / 275,786.24-380,584.80-156,554.24

Finding the Fourth Proportional to 275,786.24, 380,584.80 and 156,554.24

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Solution

The fourth proportional to 275,786.24, 380,584.80 and 156,554.24 is: 216,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,786.24 : 380,584.80 = 156,554.24 : x
  2. Step 2: Convert to fraction form
    275,786.24/380,584.80 = 156,554.24/x
  3. Step 3: Cross multiply
    275,786.24x = 380,584.80 × 156,554.24
  4. Step 4: Simplify right side
    275,786.24x = 59,582,164,119.55
  5. Step 5: Solve for x
    x = 59,582,164,119.55/275,786.24
  6. Step 6: Final answer
    x = 216,044.73

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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.