Home / 494,628.95-741,973.49-139,669.73

Finding the Fourth Proportional to 494,628.95, 741,973.49 and 139,669.73

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Solution

The fourth proportional to 494,628.95, 741,973.49 and 139,669.73 is: 209,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,628.95 : 741,973.49 = 139,669.73 : x
  2. Step 2: Convert to fraction form
    494,628.95/741,973.49 = 139,669.73/x
  3. Step 3: Cross multiply
    494,628.95x = 741,973.49 × 139,669.73
  4. Step 4: Simplify right side
    494,628.95x = 103,631,236,317.11
  5. Step 5: Solve for x
    x = 103,631,236,317.11/494,628.95
  6. Step 6: Final answer
    x = 209,513.09

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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.