Home / 231,228-346,912.02-163,890.36

Finding the Fourth Proportional to 231,228, 346,912.02 and 163,890.36

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Solution

The fourth proportional to 231,228, 346,912.02 and 163,890.36 is: 245,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,228 : 346,912.02 = 163,890.36 : x
  2. Step 2: Convert to fraction form
    231,228/346,912.02 = 163,890.36/x
  3. Step 3: Cross multiply
    231,228x = 346,912.02 × 163,890.36
  4. Step 4: Simplify right side
    231,228x = 56,855,535,846.13
  5. Step 5: Solve for x
    x = 56,855,535,846.13/231,228
  6. Step 6: Final answer
    x = 245,885.17

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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.