Home / 307,786.01-461,825.21-213,161.81

Finding the Fourth Proportional to 307,786.01, 461,825.21 and 213,161.81

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Solution

The fourth proportional to 307,786.01, 461,825.21 and 213,161.81 is: 319,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,786.01 : 461,825.21 = 213,161.81 : x
  2. Step 2: Convert to fraction form
    307,786.01/461,825.21 = 213,161.81/x
  3. Step 3: Cross multiply
    307,786.01x = 461,825.21 × 213,161.81
  4. Step 4: Simplify right side
    307,786.01x = 98,443,495,891.01
  5. Step 5: Solve for x
    x = 98,443,495,891.01/307,786.01
  6. Step 6: Final answer
    x = 319,843.96

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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.