Home / 313,212.69-432,233.79-169,972.73

Finding the Fourth Proportional to 313,212.69, 432,233.79 and 169,972.73

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Solution

The fourth proportional to 313,212.69, 432,233.79 and 169,972.73 is: 234,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,212.69 : 432,233.79 = 169,972.73 : x
  2. Step 2: Convert to fraction form
    313,212.69/432,233.79 = 169,972.73/x
  3. Step 3: Cross multiply
    313,212.69x = 432,233.79 × 169,972.73
  4. Step 4: Simplify right side
    313,212.69x = 73,467,957,284.55
  5. Step 5: Solve for x
    x = 73,467,957,284.55/313,212.69
  6. Step 6: Final answer
    x = 234,562.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.