Home / 905,148.68-1,357,723-231,231.48

Finding the Fourth Proportional to 905,148.68, 1,357,723 and 231,231.48

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Solution

The fourth proportional to 905,148.68, 1,357,723 and 231,231.48 is: 346,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,148.68 : 1,357,723 = 231,231.48 : x
  2. Step 2: Convert to fraction form
    905,148.68/1,357,723 = 231,231.48/x
  3. Step 3: Cross multiply
    905,148.68x = 1,357,723 × 231,231.48
  4. Step 4: Simplify right side
    905,148.68x = 313,948,298,720.04
  5. Step 5: Solve for x
    x = 313,948,298,720.04/905,148.68
  6. Step 6: Final answer
    x = 346,847.21

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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.