Home / 222,228.27-306,682.34-121,626.27

Finding the Fourth Proportional to 222,228.27, 306,682.34 and 121,626.27

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Solution

The fourth proportional to 222,228.27, 306,682.34 and 121,626.27 is: 167,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,228.27 : 306,682.34 = 121,626.27 : x
  2. Step 2: Convert to fraction form
    222,228.27/306,682.34 = 121,626.27/x
  3. Step 3: Cross multiply
    222,228.27x = 306,682.34 × 121,626.27
  4. Step 4: Simplify right side
    222,228.27x = 37,300,628,480.94
  5. Step 5: Solve for x
    x = 37,300,628,480.94/222,228.27
  6. Step 6: Final answer
    x = 167,848.26

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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.