Home / 313,936.30-470,619.65-114,115.56

Finding the Fourth Proportional to 313,936.30, 470,619.65 and 114,115.56

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Solution

The fourth proportional to 313,936.30, 470,619.65 and 114,115.56 is: 171,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,936.30 : 470,619.65 = 114,115.56 : x
  2. Step 2: Convert to fraction form
    313,936.30/470,619.65 = 114,115.56/x
  3. Step 3: Cross multiply
    313,936.30x = 470,619.65 × 114,115.56
  4. Step 4: Simplify right side
    313,936.30x = 53,705,021,983.08
  5. Step 5: Solve for x
    x = 53,705,021,983.08/313,936.30
  6. Step 6: Final answer
    x = 171,069.81

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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.