Home / 272,221.83-408,192.21-122,334.03

Finding the Fourth Proportional to 272,221.83, 408,192.21 and 122,334.03

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Solution

The fourth proportional to 272,221.83, 408,192.21 and 122,334.03 is: 183,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,221.83 : 408,192.21 = 122,334.03 : x
  2. Step 2: Convert to fraction form
    272,221.83/408,192.21 = 122,334.03/x
  3. Step 3: Cross multiply
    272,221.83x = 408,192.21 × 122,334.03
  4. Step 4: Simplify right side
    272,221.83x = 49,935,798,063.91
  5. Step 5: Solve for x
    x = 49,935,798,063.91/272,221.83
  6. Step 6: Final answer
    x = 183,437.89

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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.