Home / 336,720.92-504,932.72-126,211.23

Finding the Fourth Proportional to 336,720.92, 504,932.72 and 126,211.23

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Solution

The fourth proportional to 336,720.92, 504,932.72 and 126,211.23 is: 189,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,720.92 : 504,932.72 = 126,211.23 : x
  2. Step 2: Convert to fraction form
    336,720.92/504,932.72 = 126,211.23/x
  3. Step 3: Cross multiply
    336,720.92x = 504,932.72 × 126,211.23
  4. Step 4: Simplify right side
    336,720.92x = 63,728,179,027.39
  5. Step 5: Solve for x
    x = 63,728,179,027.39/336,720.92
  6. Step 6: Final answer
    x = 189,261.12

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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.