Home / 272,222.26-408,416.46-139,195.96

Finding the Fourth Proportional to 272,222.26, 408,416.46 and 139,195.96

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Solution

The fourth proportional to 272,222.26, 408,416.46 and 139,195.96 is: 208,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,222.26 : 408,416.46 = 139,195.96 : x
  2. Step 2: Convert to fraction form
    272,222.26/408,416.46 = 139,195.96/x
  3. Step 3: Cross multiply
    272,222.26x = 408,416.46 × 139,195.96
  4. Step 4: Simplify right side
    272,222.26x = 56,849,921,229.50
  5. Step 5: Solve for x
    x = 56,849,921,229.50/272,222.26
  6. Step 6: Final answer
    x = 208,836.42

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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.