Home / 221,500.36-332,177.64-121,773.16

Finding the Fourth Proportional to 221,500.36, 332,177.64 and 121,773.16

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Solution

The fourth proportional to 221,500.36, 332,177.64 and 121,773.16 is: 182,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,500.36 : 332,177.64 = 121,773.16 : x
  2. Step 2: Convert to fraction form
    221,500.36/332,177.64 = 121,773.16/x
  3. Step 3: Cross multiply
    221,500.36x = 332,177.64 × 121,773.16
  4. Step 4: Simplify right side
    221,500.36x = 40,450,320,904.14
  5. Step 5: Solve for x
    x = 40,450,320,904.14/221,500.36
  6. Step 6: Final answer
    x = 182,619.66

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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.