Home / 222,192.27-306,306.36-158,419.35

Finding the Fourth Proportional to 222,192.27, 306,306.36 and 158,419.35

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Solution

The fourth proportional to 222,192.27, 306,306.36 and 158,419.35 is: 218,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,192.27 : 306,306.36 = 158,419.35 : x
  2. Step 2: Convert to fraction form
    222,192.27/306,306.36 = 158,419.35/x
  3. Step 3: Cross multiply
    222,192.27x = 306,306.36 × 158,419.35
  4. Step 4: Simplify right side
    222,192.27x = 48,524,854,452.07
  5. Step 5: Solve for x
    x = 48,524,854,452.07/222,192.27
  6. Step 6: Final answer
    x = 218,391.28

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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.