Home / 278,235.28-416,419.80-228,313.36

Finding the Fourth Proportional to 278,235.28, 416,419.80 and 228,313.36

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Solution

The fourth proportional to 278,235.28, 416,419.80 and 228,313.36 is: 341,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,235.28 : 416,419.80 = 228,313.36 : x
  2. Step 2: Convert to fraction form
    278,235.28/416,419.80 = 228,313.36/x
  3. Step 3: Cross multiply
    278,235.28x = 416,419.80 × 228,313.36
  4. Step 4: Simplify right side
    278,235.28x = 95,074,203,708.53
  5. Step 5: Solve for x
    x = 95,074,203,708.53/278,235.28
  6. Step 6: Final answer
    x = 341,704.34

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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.