Home / 268,422.45-402,338.43-110,564.79

Finding the Fourth Proportional to 268,422.45, 402,338.43 and 110,564.79

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Solution

The fourth proportional to 268,422.45, 402,338.43 and 110,564.79 is: 165,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,422.45 : 402,338.43 = 110,564.79 : x
  2. Step 2: Convert to fraction form
    268,422.45/402,338.43 = 110,564.79/x
  3. Step 3: Cross multiply
    268,422.45x = 402,338.43 × 110,564.79
  4. Step 4: Simplify right side
    268,422.45x = 44,484,464,021.88
  5. Step 5: Solve for x
    x = 44,484,464,021.88/268,422.45
  6. Step 6: Final answer
    x = 165,725.57

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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.