Home / 272,222.58-408,193.34-122,334.78

Finding the Fourth Proportional to 272,222.58, 408,193.34 and 122,334.78

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Solution

The fourth proportional to 272,222.58, 408,193.34 and 122,334.78 is: 183,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,222.58 : 408,193.34 = 122,334.78 : x
  2. Step 2: Convert to fraction form
    272,222.58/408,193.34 = 122,334.78/x
  3. Step 3: Cross multiply
    272,222.58x = 408,193.34 × 122,334.78
  4. Step 4: Simplify right side
    272,222.58x = 49,936,241,834.69
  5. Step 5: Solve for x
    x = 49,936,241,834.69/272,222.58
  6. Step 6: Final answer
    x = 183,439.01

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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.