Home / 313,943.18-470,629.94-114,122.43

Finding the Fourth Proportional to 313,943.18, 470,629.94 and 114,122.43

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Solution

The fourth proportional to 313,943.18, 470,629.94 and 114,122.43 is: 171,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,943.18 : 470,629.94 = 114,122.43 : x
  2. Step 2: Convert to fraction form
    313,943.18/470,629.94 = 114,122.43/x
  3. Step 3: Cross multiply
    313,943.18x = 470,629.94 × 114,122.43
  4. Step 4: Simplify right side
    313,943.18x = 53,709,431,812.94
  5. Step 5: Solve for x
    x = 53,709,431,812.94/313,943.18
  6. Step 6: Final answer
    x = 171,080.11

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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.