Home / 272,208.22-408,046.24-122,486.20

Finding the Fourth Proportional to 272,208.22, 408,046.24 and 122,486.20

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Solution

The fourth proportional to 272,208.22, 408,046.24 and 122,486.20 is: 183,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,208.22 : 408,046.24 = 122,486.20 : x
  2. Step 2: Convert to fraction form
    272,208.22/408,046.24 = 122,486.20/x
  3. Step 3: Cross multiply
    272,208.22x = 408,046.24 × 122,486.20
  4. Step 4: Simplify right side
    272,208.22x = 49,980,033,361.89
  5. Step 5: Solve for x
    x = 49,980,033,361.89/272,208.22
  6. Step 6: Final answer
    x = 183,609.57

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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.