Home / 231,234.15-346,007.71-136,509.72

Finding the Fourth Proportional to 231,234.15, 346,007.71 and 136,509.72

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Solution

The fourth proportional to 231,234.15, 346,007.71 and 136,509.72 is: 204,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,234.15 : 346,007.71 = 136,509.72 : x
  2. Step 2: Convert to fraction form
    231,234.15/346,007.71 = 136,509.72/x
  3. Step 3: Cross multiply
    231,234.15x = 346,007.71 × 136,509.72
  4. Step 4: Simplify right side
    231,234.15x = 47,233,415,609.94
  5. Step 5: Solve for x
    x = 47,233,415,609.94/231,234.15
  6. Step 6: Final answer
    x = 204,266.61

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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.