Home / 221,800.32-332,832.24-81,657.36

Finding the Fourth Proportional to 221,800.32, 332,832.24 and 81,657.36

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Solution

The fourth proportional to 221,800.32, 332,832.24 and 81,657.36 is: 122,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,800.32 : 332,832.24 = 81,657.36 : x
  2. Step 2: Convert to fraction form
    221,800.32/332,832.24 = 81,657.36/x
  3. Step 3: Cross multiply
    221,800.32x = 332,832.24 × 81,657.36
  4. Step 4: Simplify right side
    221,800.32x = 27,178,202,041.29
  5. Step 5: Solve for x
    x = 27,178,202,041.29/221,800.32
  6. Step 6: Final answer
    x = 122,534.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.