Home / 261,733.37-391,825.04-161,571.51

Finding the Fourth Proportional to 261,733.37, 391,825.04 and 161,571.51

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Solution

The fourth proportional to 261,733.37, 391,825.04 and 161,571.51 is: 241,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,733.37 : 391,825.04 = 161,571.51 : x
  2. Step 2: Convert to fraction form
    261,733.37/391,825.04 = 161,571.51/x
  3. Step 3: Cross multiply
    261,733.37x = 391,825.04 × 161,571.51
  4. Step 4: Simplify right side
    261,733.37x = 63,307,760,601.63
  5. Step 5: Solve for x
    x = 63,307,760,601.63/261,733.37
  6. Step 6: Final answer
    x = 241,878.83

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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.