Home / 228,736.92-342,972.64-86,593.17

Finding the Fourth Proportional to 228,736.92, 342,972.64 and 86,593.17

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Solution

The fourth proportional to 228,736.92, 342,972.64 and 86,593.17 is: 129,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,736.92 : 342,972.64 = 86,593.17 : x
  2. Step 2: Convert to fraction form
    228,736.92/342,972.64 = 86,593.17/x
  3. Step 3: Cross multiply
    228,736.92x = 342,972.64 × 86,593.17
  4. Step 4: Simplify right side
    228,736.92x = 29,699,088,120.87
  5. Step 5: Solve for x
    x = 29,699,088,120.87/228,736.92
  6. Step 6: Final answer
    x = 129,839.50

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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.