Home / 304,921.43-420,791.15-168,964.18

Finding the Fourth Proportional to 304,921.43, 420,791.15 and 168,964.18

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Solution

The fourth proportional to 304,921.43, 420,791.15 and 168,964.18 is: 233,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,921.43 : 420,791.15 = 168,964.18 : x
  2. Step 2: Convert to fraction form
    304,921.43/420,791.15 = 168,964.18/x
  3. Step 3: Cross multiply
    304,921.43x = 420,791.15 × 168,964.18
  4. Step 4: Simplify right side
    304,921.43x = 71,098,630,981.44
  5. Step 5: Solve for x
    x = 71,098,630,981.44/304,921.43
  6. Step 6: Final answer
    x = 233,170.34

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1.5x scale

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.