Home / 272,207.03-408,044.46-122,485.01

Finding the Fourth Proportional to 272,207.03, 408,044.46 and 122,485.01

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Solution

The fourth proportional to 272,207.03, 408,044.46 and 122,485.01 is: 183,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,207.03 : 408,044.46 = 122,485.01 : x
  2. Step 2: Convert to fraction form
    272,207.03/408,044.46 = 122,485.01/x
  3. Step 3: Cross multiply
    272,207.03x = 408,044.46 × 122,485.01
  4. Step 4: Simplify right side
    272,207.03x = 49,979,328,131.01
  5. Step 5: Solve for x
    x = 49,979,328,131.01/272,207.03
  6. Step 6: Final answer
    x = 183,607.78

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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.