Home / 236,917.51-355,323.87-68,401.20

Finding the Fourth Proportional to 236,917.51, 355,323.87 and 68,401.20

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Solution

The fourth proportional to 236,917.51, 355,323.87 and 68,401.20 is: 102,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,917.51 : 355,323.87 = 68,401.20 : x
  2. Step 2: Convert to fraction form
    236,917.51/355,323.87 = 68,401.20/x
  3. Step 3: Cross multiply
    236,917.51x = 355,323.87 × 68,401.20
  4. Step 4: Simplify right side
    236,917.51x = 24,304,579,096.64
  5. Step 5: Solve for x
    x = 24,304,579,096.64/236,917.51
  6. Step 6: Final answer
    x = 102,586.67

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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.