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Finding the Fourth Proportional to 274,195.50, 411,140.44 and 84,602.04

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Solution

The fourth proportional to 274,195.50, 411,140.44 and 84,602.04 is: 126,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,195.50 : 411,140.44 = 84,602.04 : x
  2. Step 2: Convert to fraction form
    274,195.50/411,140.44 = 84,602.04/x
  3. Step 3: Cross multiply
    274,195.50x = 411,140.44 × 84,602.04
  4. Step 4: Simplify right side
    274,195.50x = 34,783,319,950.50
  5. Step 5: Solve for x
    x = 34,783,319,950.50/274,195.50
  6. Step 6: Final answer
    x = 126,855.91

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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.