Home / 222,828.27-307,502.12-120,853.32

Finding the Fourth Proportional to 222,828.27, 307,502.12 and 120,853.32

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Solution

The fourth proportional to 222,828.27, 307,502.12 and 120,853.32 is: 166,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,828.27 : 307,502.12 = 120,853.32 : x
  2. Step 2: Convert to fraction form
    222,828.27/307,502.12 = 120,853.32/x
  3. Step 3: Cross multiply
    222,828.27x = 307,502.12 × 120,853.32
  4. Step 4: Simplify right side
    222,828.27x = 37,162,652,109.04
  5. Step 5: Solve for x
    x = 37,162,652,109.04/222,828.27
  6. Step 6: Final answer
    x = 166,777.10

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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.