Home / 330,242.19-455,873.73-222,957.54

Finding the Fourth Proportional to 330,242.19, 455,873.73 and 222,957.54

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Solution

The fourth proportional to 330,242.19, 455,873.73 and 222,957.54 is: 307,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,242.19 : 455,873.73 = 222,957.54 : x
  2. Step 2: Convert to fraction form
    330,242.19/455,873.73 = 222,957.54/x
  3. Step 3: Cross multiply
    330,242.19x = 455,873.73 × 222,957.54
  4. Step 4: Simplify right side
    330,242.19x = 101,640,485,391.42
  5. Step 5: Solve for x
    x = 101,640,485,391.42/330,242.19
  6. Step 6: Final answer
    x = 307,775.59

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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.