Home / 261,571.13-391,336.94-229,293.98

Finding the Fourth Proportional to 261,571.13, 391,336.94 and 229,293.98

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Solution

The fourth proportional to 261,571.13, 391,336.94 and 229,293.98 is: 343,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,571.13 : 391,336.94 = 229,293.98 : x
  2. Step 2: Convert to fraction form
    261,571.13/391,336.94 = 229,293.98/x
  3. Step 3: Cross multiply
    261,571.13x = 391,336.94 × 229,293.98
  4. Step 4: Simplify right side
    261,571.13x = 89,731,201,390.47
  5. Step 5: Solve for x
    x = 89,731,201,390.47/261,571.13
  6. Step 6: Final answer
    x = 343,047.04

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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.