Home / 262,768.16-394,447.08-105,106.52

Finding the Fourth Proportional to 262,768.16, 394,447.08 and 105,106.52

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Solution

The fourth proportional to 262,768.16, 394,447.08 and 105,106.52 is: 157,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,768.16 : 394,447.08 = 105,106.52 : x
  2. Step 2: Convert to fraction form
    262,768.16/394,447.08 = 105,106.52/x
  3. Step 3: Cross multiply
    262,768.16x = 394,447.08 × 105,106.52
  4. Step 4: Simplify right side
    262,768.16x = 41,458,959,902.96
  5. Step 5: Solve for x
    x = 41,458,959,902.96/262,768.16
  6. Step 6: Final answer
    x = 157,777.72

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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.