Home / 231,313.52-346,997.80-81,522.64

Finding the Fourth Proportional to 231,313.52, 346,997.80 and 81,522.64

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Solution

The fourth proportional to 231,313.52, 346,997.80 and 81,522.64 is: 122,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,313.52 : 346,997.80 = 81,522.64 : x
  2. Step 2: Convert to fraction form
    231,313.52/346,997.80 = 81,522.64/x
  3. Step 3: Cross multiply
    231,313.52x = 346,997.80 × 81,522.64
  4. Step 4: Simplify right side
    231,313.52x = 28,288,176,730.19
  5. Step 5: Solve for x
    x = 28,288,176,730.19/231,313.52
  6. Step 6: Final answer
    x = 122,293.66

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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.