Home / 300,011.04-449,949.84-86,732.37

Finding the Fourth Proportional to 300,011.04, 449,949.84 and 86,732.37

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Solution

The fourth proportional to 300,011.04, 449,949.84 and 86,732.37 is: 130,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,011.04 : 449,949.84 = 86,732.37 : x
  2. Step 2: Convert to fraction form
    300,011.04/449,949.84 = 86,732.37/x
  3. Step 3: Cross multiply
    300,011.04x = 449,949.84 × 86,732.37
  4. Step 4: Simplify right side
    300,011.04x = 39,025,215,679.07
  5. Step 5: Solve for x
    x = 39,025,215,679.07/300,011.04
  6. Step 6: Final answer
    x = 130,079.27

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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.