Home / 268,112.16-369,999.41-147,258.54

Finding the Fourth Proportional to 268,112.16, 369,999.41 and 147,258.54

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Solution

The fourth proportional to 268,112.16, 369,999.41 and 147,258.54 is: 203,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,112.16 : 369,999.41 = 147,258.54 : x
  2. Step 2: Convert to fraction form
    268,112.16/369,999.41 = 147,258.54/x
  3. Step 3: Cross multiply
    268,112.16x = 369,999.41 × 147,258.54
  4. Step 4: Simplify right side
    268,112.16x = 54,485,572,917.46
  5. Step 5: Solve for x
    x = 54,485,572,917.46/268,112.16
  6. Step 6: Final answer
    x = 203,219.33

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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.