Home / 307,586.82-461,222.19-139,015.92

Finding the Fourth Proportional to 307,586.82, 461,222.19 and 139,015.92

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Solution

The fourth proportional to 307,586.82, 461,222.19 and 139,015.92 is: 208,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,586.82 : 461,222.19 = 139,015.92 : x
  2. Step 2: Convert to fraction form
    307,586.82/461,222.19 = 139,015.92/x
  3. Step 3: Cross multiply
    307,586.82x = 461,222.19 × 139,015.92
  4. Step 4: Simplify right side
    307,586.82x = 64,117,227,067.26
  5. Step 5: Solve for x
    x = 64,117,227,067.26/307,586.82
  6. Step 6: Final answer
    x = 208,452.45

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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.