Home / 264,814.40-397,231.20-77,844.80

Finding the Fourth Proportional to 264,814.40, 397,231.20 and 77,844.80

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Solution

The fourth proportional to 264,814.40, 397,231.20 and 77,844.80 is: 116,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,814.40 : 397,231.20 = 77,844.80 : x
  2. Step 2: Convert to fraction form
    264,814.40/397,231.20 = 77,844.80/x
  3. Step 3: Cross multiply
    264,814.40x = 397,231.20 × 77,844.80
  4. Step 4: Simplify right side
    264,814.40x = 30,922,383,317.76
  5. Step 5: Solve for x
    x = 30,922,383,317.76/264,814.40
  6. Step 6: Final answer
    x = 116,770.02

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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.