Home / 307,628.20-461,507.10-130,043.80

Finding the Fourth Proportional to 307,628.20, 461,507.10 and 130,043.80

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Solution

The fourth proportional to 307,628.20, 461,507.10 and 130,043.80 is: 195,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,628.20 : 461,507.10 = 130,043.80 : x
  2. Step 2: Convert to fraction form
    307,628.20/461,507.10 = 130,043.80/x
  3. Step 3: Cross multiply
    307,628.20x = 461,507.10 × 130,043.80
  4. Step 4: Simplify right side
    307,628.20x = 60,016,137,010.98
  5. Step 5: Solve for x
    x = 60,016,137,010.98/307,628.20
  6. Step 6: Final answer
    x = 195,093.09

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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.