Home / 308,964.30-463,446.45-109,291.20

Finding the Fourth Proportional to 308,964.30, 463,446.45 and 109,291.20

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Solution

The fourth proportional to 308,964.30, 463,446.45 and 109,291.20 is: 163,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,964.30 : 463,446.45 = 109,291.20 : x
  2. Step 2: Convert to fraction form
    308,964.30/463,446.45 = 109,291.20/x
  3. Step 3: Cross multiply
    308,964.30x = 463,446.45 × 109,291.20
  4. Step 4: Simplify right side
    308,964.30x = 50,650,618,656.24
  5. Step 5: Solve for x
    x = 50,650,618,656.24/308,964.30
  6. Step 6: Final answer
    x = 163,936.80

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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.