Home / 307,786.20-462,068.10-165,744.60

Finding the Fourth Proportional to 307,786.20, 462,068.10 and 165,744.60

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Solution

The fourth proportional to 307,786.20, 462,068.10 and 165,744.60 is: 248,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,786.20 : 462,068.10 = 165,744.60 : x
  2. Step 2: Convert to fraction form
    307,786.20/462,068.10 = 165,744.60/x
  3. Step 3: Cross multiply
    307,786.20x = 462,068.10 × 165,744.60
  4. Step 4: Simplify right side
    307,786.20x = 76,585,292,407.26
  5. Step 5: Solve for x
    x = 76,585,292,407.26/307,786.20
  6. Step 6: Final answer
    x = 248,826.27

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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.