Home / 336,738.21-505,194.81-168,251.73

Finding the Fourth Proportional to 336,738.21, 505,194.81 and 168,251.73

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Solution

The fourth proportional to 336,738.21, 505,194.81 and 168,251.73 is: 252,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,738.21 : 505,194.81 = 168,251.73 : x
  2. Step 2: Convert to fraction form
    336,738.21/505,194.81 = 168,251.73/x
  3. Step 3: Cross multiply
    336,738.21x = 505,194.81 × 168,251.73
  4. Step 4: Simplify right side
    336,738.21x = 84,999,900,769.52
  5. Step 5: Solve for x
    x = 84,999,900,769.52/336,738.21
  6. Step 6: Final answer
    x = 252,421.31

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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.