Home / 304,965.03-420,860.97-168,986.26

Finding the Fourth Proportional to 304,965.03, 420,860.97 and 168,986.26

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Solution

The fourth proportional to 304,965.03, 420,860.97 and 168,986.26 is: 233,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,965.03 : 420,860.97 = 168,986.26 : x
  2. Step 2: Convert to fraction form
    304,965.03/420,860.97 = 168,986.26/x
  3. Step 3: Cross multiply
    304,965.03x = 420,860.97 × 168,986.26
  4. Step 4: Simplify right side
    304,965.03x = 71,119,721,300.27
  5. Step 5: Solve for x
    x = 71,119,721,300.27/304,965.03
  6. Step 6: Final answer
    x = 233,206.15

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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.