Home / 262,949.38-394,289.01-120,672.19

Finding the Fourth Proportional to 262,949.38, 394,289.01 and 120,672.19

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Solution

The fourth proportional to 262,949.38, 394,289.01 and 120,672.19 is: 180,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,949.38 : 394,289.01 = 120,672.19 : x
  2. Step 2: Convert to fraction form
    262,949.38/394,289.01 = 120,672.19/x
  3. Step 3: Cross multiply
    262,949.38x = 394,289.01 × 120,672.19
  4. Step 4: Simplify right side
    262,949.38x = 47,579,718,329.63
  5. Step 5: Solve for x
    x = 47,579,718,329.63/262,949.38
  6. Step 6: Final answer
    x = 180,946.30

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1.5x scale

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.