Home / 443,231.12-611,577.72-261,972.56

Finding the Fourth Proportional to 443,231.12, 611,577.72 and 261,972.56

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Solution

The fourth proportional to 443,231.12, 611,577.72 and 261,972.56 is: 361,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,231.12 : 611,577.72 = 261,972.56 : x
  2. Step 2: Convert to fraction form
    443,231.12/611,577.72 = 261,972.56/x
  3. Step 3: Cross multiply
    443,231.12x = 611,577.72 × 261,972.56
  4. Step 4: Simplify right side
    443,231.12x = 160,216,580,947.36
  5. Step 5: Solve for x
    x = 160,216,580,947.36/443,231.12
  6. Step 6: Final answer
    x = 361,474.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.