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Finding the Fourth Proportional to 467,865.57, 702,109.76 and 254,687.21

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Solution

The fourth proportional to 467,865.57, 702,109.76 and 254,687.21 is: 382,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,865.57 : 702,109.76 = 254,687.21 : x
  2. Step 2: Convert to fraction form
    467,865.57/702,109.76 = 254,687.21/x
  3. Step 3: Cross multiply
    467,865.57x = 702,109.76 × 254,687.21
  4. Step 4: Simplify right side
    467,865.57x = 178,818,371,104.19
  5. Step 5: Solve for x
    x = 178,818,371,104.19/467,865.57
  6. Step 6: Final answer
    x = 382,200.32

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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.