Home / 307,845.29-461,735.44-145,700.51

Finding the Fourth Proportional to 307,845.29, 461,735.44 and 145,700.51

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Solution

The fourth proportional to 307,845.29, 461,735.44 and 145,700.51 is: 218,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,845.29 : 461,735.44 = 145,700.51 : x
  2. Step 2: Convert to fraction form
    307,845.29/461,735.44 = 145,700.51/x
  3. Step 3: Cross multiply
    307,845.29x = 461,735.44 × 145,700.51
  4. Step 4: Simplify right side
    307,845.29x = 67,275,086,420.15
  5. Step 5: Solve for x
    x = 67,275,086,420.15/307,845.29
  6. Step 6: Final answer
    x = 218,535.37

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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.