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Finding the Fourth Proportional to 263,501.60, 394,330.80 and 241,383.20

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Solution

The fourth proportional to 263,501.60, 394,330.80 and 241,383.20 is: 361,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,501.60 : 394,330.80 = 241,383.20 : x
  2. Step 2: Convert to fraction form
    263,501.60/394,330.80 = 241,383.20/x
  3. Step 3: Cross multiply
    263,501.60x = 394,330.80 × 241,383.20
  4. Step 4: Simplify right side
    263,501.60x = 95,184,830,362.56
  5. Step 5: Solve for x
    x = 95,184,830,362.56/263,501.60
  6. Step 6: Final answer
    x = 361,230.56

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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.