Home / 313,821.97-470,467.68-136,195.45

Finding the Fourth Proportional to 313,821.97, 470,467.68 and 136,195.45

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Solution

The fourth proportional to 313,821.97, 470,467.68 and 136,195.45 is: 204,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,821.97 : 470,467.68 = 136,195.45 : x
  2. Step 2: Convert to fraction form
    313,821.97/470,467.68 = 136,195.45/x
  3. Step 3: Cross multiply
    313,821.97x = 470,467.68 × 136,195.45
  4. Step 4: Simplify right side
    313,821.97x = 64,075,557,388.06
  5. Step 5: Solve for x
    x = 64,075,557,388.06/313,821.97
  6. Step 6: Final answer
    x = 204,178.05

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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.