Home / 494,403.25-741,606.08-139,419.13

Finding the Fourth Proportional to 494,403.25, 741,606.08 and 139,419.13

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Solution

The fourth proportional to 494,403.25, 741,606.08 and 139,419.13 is: 209,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,403.25 : 741,606.08 = 139,419.13 : x
  2. Step 2: Convert to fraction form
    494,403.25/741,606.08 = 139,419.13/x
  3. Step 3: Cross multiply
    494,403.25x = 741,606.08 × 139,419.13
  4. Step 4: Simplify right side
    494,403.25x = 103,394,074,476.31
  5. Step 5: Solve for x
    x = 103,394,074,476.31/494,403.25
  6. Step 6: Final answer
    x = 209,129.03

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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.