Home / 494,194.10-741,303.36-139,205.79

Finding the Fourth Proportional to 494,194.10, 741,303.36 and 139,205.79

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Solution

The fourth proportional to 494,194.10, 741,303.36 and 139,205.79 is: 208,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,194.10 : 741,303.36 = 139,205.79 : x
  2. Step 2: Convert to fraction form
    494,194.10/741,303.36 = 139,205.79/x
  3. Step 3: Cross multiply
    494,194.10x = 741,303.36 × 139,205.79
  4. Step 4: Simplify right side
    494,194.10x = 103,193,719,858.45
  5. Step 5: Solve for x
    x = 103,193,719,858.45/494,194.10
  6. Step 6: Final answer
    x = 208,812.13

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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.