Home / 262,921.20-394,381.80-113,233.20

Finding the Fourth Proportional to 262,921.20, 394,381.80 and 113,233.20

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Solution

The fourth proportional to 262,921.20, 394,381.80 and 113,233.20 is: 169,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921.20 : 394,381.80 = 113,233.20 : x
  2. Step 2: Convert to fraction form
    262,921.20/394,381.80 = 113,233.20/x
  3. Step 3: Cross multiply
    262,921.20x = 394,381.80 × 113,233.20
  4. Step 4: Simplify right side
    262,921.20x = 44,657,113,235.76
  5. Step 5: Solve for x
    x = 44,657,113,235.76/262,921.20
  6. Step 6: Final answer
    x = 169,849.80

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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.