Home / 272,072.85-408,110.24-82,534.87

Finding the Fourth Proportional to 272,072.85, 408,110.24 and 82,534.87

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Solution

The fourth proportional to 272,072.85, 408,110.24 and 82,534.87 is: 123,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,072.85 : 408,110.24 = 82,534.87 : x
  2. Step 2: Convert to fraction form
    272,072.85/408,110.24 = 82,534.87/x
  3. Step 3: Cross multiply
    272,072.85x = 408,110.24 × 82,534.87
  4. Step 4: Simplify right side
    272,072.85x = 33,683,325,604.07
  5. Step 5: Solve for x
    x = 33,683,325,604.07/272,072.85
  6. Step 6: Final answer
    x = 123,802.60

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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.