Home / 336,749.69-505,207.76-100,091.38

Finding the Fourth Proportional to 336,749.69, 505,207.76 and 100,091.38

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Solution

The fourth proportional to 336,749.69, 505,207.76 and 100,091.38 is: 150,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,749.69 : 505,207.76 = 100,091.38 : x
  2. Step 2: Convert to fraction form
    336,749.69/505,207.76 = 100,091.38/x
  3. Step 3: Cross multiply
    336,749.69x = 505,207.76 × 100,091.38
  4. Step 4: Simplify right side
    336,749.69x = 50,566,941,885.11
  5. Step 5: Solve for x
    x = 50,566,941,885.11/336,749.69
  6. Step 6: Final answer
    x = 150,161.81

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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.