Home / 304,942.30-457,435.92-80,301.17

Finding the Fourth Proportional to 304,942.30, 457,435.92 and 80,301.17

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Solution

The fourth proportional to 304,942.30, 457,435.92 and 80,301.17 is: 120,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,942.30 : 457,435.92 = 80,301.17 : x
  2. Step 2: Convert to fraction form
    304,942.30/457,435.92 = 80,301.17/x
  3. Step 3: Cross multiply
    304,942.30x = 457,435.92 × 80,301.17
  4. Step 4: Simplify right side
    304,942.30x = 36,732,640,719.62
  5. Step 5: Solve for x
    x = 36,732,640,719.62/304,942.30
  6. Step 6: Final answer
    x = 120,457.68

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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.