Home / 307,939.80-461,935.89-108,242.94

Finding the Fourth Proportional to 307,939.80, 461,935.89 and 108,242.94

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Solution

The fourth proportional to 307,939.80, 461,935.89 and 108,242.94 is: 162,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,939.80 : 461,935.89 = 108,242.94 : x
  2. Step 2: Convert to fraction form
    307,939.80/461,935.89 = 108,242.94/x
  3. Step 3: Cross multiply
    307,939.80x = 461,935.89 × 108,242.94
  4. Step 4: Simplify right side
    307,939.80x = 50,001,298,825.12
  5. Step 5: Solve for x
    x = 50,001,298,825.12/307,939.80
  6. Step 6: Final answer
    x = 162,373.62

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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.