Home / 253,204.28-379,806.42-66,214.16

Finding the Fourth Proportional to 253,204.28, 379,806.42 and 66,214.16

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Solution

The fourth proportional to 253,204.28, 379,806.42 and 66,214.16 is: 99,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,204.28 : 379,806.42 = 66,214.16 : x
  2. Step 2: Convert to fraction form
    253,204.28/379,806.42 = 66,214.16/x
  3. Step 3: Cross multiply
    253,204.28x = 379,806.42 × 66,214.16
  4. Step 4: Simplify right side
    253,204.28x = 25,148,563,062.91
  5. Step 5: Solve for x
    x = 25,148,563,062.91/253,204.28
  6. Step 6: Final answer
    x = 99,321.24

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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.