Home / 304,964.03-420,859.59-168,985.26

Finding the Fourth Proportional to 304,964.03, 420,859.59 and 168,985.26

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Solution

The fourth proportional to 304,964.03, 420,859.59 and 168,985.26 is: 233,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,964.03 : 420,859.59 = 168,985.26 : x
  2. Step 2: Convert to fraction form
    304,964.03/420,859.59 = 168,985.26/x
  3. Step 3: Cross multiply
    304,964.03x = 420,859.59 × 168,985.26
  4. Step 4: Simplify right side
    304,964.03x = 71,119,067,239.64
  5. Step 5: Solve for x
    x = 71,119,067,239.64/304,964.03
  6. Step 6: Final answer
    x = 233,204.77

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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.