Home / 275,160.81-379,726.07-160,436.33

Finding the Fourth Proportional to 275,160.81, 379,726.07 and 160,436.33

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Solution

The fourth proportional to 275,160.81, 379,726.07 and 160,436.33 is: 221,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,160.81 : 379,726.07 = 160,436.33 : x
  2. Step 2: Convert to fraction form
    275,160.81/379,726.07 = 160,436.33/x
  3. Step 3: Cross multiply
    275,160.81x = 379,726.07 × 160,436.33
  4. Step 4: Simplify right side
    275,160.81x = 60,921,854,375.31
  5. Step 5: Solve for x
    x = 60,921,854,375.31/275,160.81
  6. Step 6: Final answer
    x = 221,404.55

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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.