Home / 307,846.29-461,736.94-145,701.51

Finding the Fourth Proportional to 307,846.29, 461,736.94 and 145,701.51

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Solution

The fourth proportional to 307,846.29, 461,736.94 and 145,701.51 is: 218,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,846.29 : 461,736.94 = 145,701.51 : x
  2. Step 2: Convert to fraction form
    307,846.29/461,736.94 = 145,701.51/x
  3. Step 3: Cross multiply
    307,846.29x = 461,736.94 × 145,701.51
  4. Step 4: Simplify right side
    307,846.29x = 67,275,769,380.78
  5. Step 5: Solve for x
    x = 67,275,769,380.78/307,846.29
  6. Step 6: Final answer
    x = 218,536.89

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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.