Home / 218,322.20-301,260.26-122,826.85

Finding the Fourth Proportional to 218,322.20, 301,260.26 and 122,826.85

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Solution

The fourth proportional to 218,322.20, 301,260.26 and 122,826.85 is: 169,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,322.20 : 301,260.26 = 122,826.85 : x
  2. Step 2: Convert to fraction form
    218,322.20/301,260.26 = 122,826.85/x
  3. Step 3: Cross multiply
    218,322.20x = 301,260.26 × 122,826.85
  4. Step 4: Simplify right side
    218,322.20x = 37,002,848,319.90
  5. Step 5: Solve for x
    x = 37,002,848,319.90/218,322.20
  6. Step 6: Final answer
    x = 169,487.34

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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.