Home / 313,983.66-470,997.09-103,769.22

Finding the Fourth Proportional to 313,983.66, 470,997.09 and 103,769.22

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Solution

The fourth proportional to 313,983.66, 470,997.09 and 103,769.22 is: 155,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,983.66 : 470,997.09 = 103,769.22 : x
  2. Step 2: Convert to fraction form
    313,983.66/470,997.09 = 103,769.22/x
  3. Step 3: Cross multiply
    313,983.66x = 470,997.09 × 103,769.22
  4. Step 4: Simplify right side
    313,983.66x = 48,875,000,651.57
  5. Step 5: Solve for x
    x = 48,875,000,651.57/313,983.66
  6. Step 6: Final answer
    x = 155,660.97

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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.