Home / 304,941.69-420,813.21-168,974.43

Finding the Fourth Proportional to 304,941.69, 420,813.21 and 168,974.43

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Solution

The fourth proportional to 304,941.69, 420,813.21 and 168,974.43 is: 233,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,941.69 : 420,813.21 = 168,974.43 : x
  2. Step 2: Convert to fraction form
    304,941.69/420,813.21 = 168,974.43/x
  3. Step 3: Cross multiply
    304,941.69x = 420,813.21 × 168,974.43
  4. Step 4: Simplify right side
    304,941.69x = 71,106,672,296.22
  5. Step 5: Solve for x
    x = 71,106,672,296.22/304,941.69
  6. Step 6: Final answer
    x = 233,181.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.