Home / 262,633.48-394,073.25-129,441.13

Finding the Fourth Proportional to 262,633.48, 394,073.25 and 129,441.13

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Solution

The fourth proportional to 262,633.48, 394,073.25 and 129,441.13 is: 194,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,633.48 : 394,073.25 = 129,441.13 : x
  2. Step 2: Convert to fraction form
    262,633.48/394,073.25 = 129,441.13/x
  3. Step 3: Cross multiply
    262,633.48x = 394,073.25 × 129,441.13
  4. Step 4: Simplify right side
    262,633.48x = 51,009,286,782.77
  5. Step 5: Solve for x
    x = 51,009,286,782.77/262,633.48
  6. Step 6: Final answer
    x = 194,222.33

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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.