Home / 262,953.24-394,118.37-120,678.57

Finding the Fourth Proportional to 262,953.24, 394,118.37 and 120,678.57

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Solution

The fourth proportional to 262,953.24, 394,118.37 and 120,678.57 is: 180,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,953.24 : 394,118.37 = 120,678.57 : x
  2. Step 2: Convert to fraction form
    262,953.24/394,118.37 = 120,678.57/x
  3. Step 3: Cross multiply
    262,953.24x = 394,118.37 × 120,678.57
  4. Step 4: Simplify right side
    262,953.24x = 47,561,641,302.33
  5. Step 5: Solve for x
    x = 47,561,641,302.33/262,953.24
  6. Step 6: Final answer
    x = 180,874.90

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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.