Home / 262,675.20-394,135.84-129,482.72

Finding the Fourth Proportional to 262,675.20, 394,135.84 and 129,482.72

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Solution

The fourth proportional to 262,675.20, 394,135.84 and 129,482.72 is: 194,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,675.20 : 394,135.84 = 129,482.72 : x
  2. Step 2: Convert to fraction form
    262,675.20/394,135.84 = 129,482.72/x
  3. Step 3: Cross multiply
    262,675.20x = 394,135.84 × 129,482.72
  4. Step 4: Simplify right side
    262,675.20x = 51,033,780,612.68
  5. Step 5: Solve for x
    x = 51,033,780,612.68/262,675.20
  6. Step 6: Final answer
    x = 194,284.73

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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.