Home / 307,996.14-425,004.66-172,019.28

Finding the Fourth Proportional to 307,996.14, 425,004.66 and 172,019.28

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Solution

The fourth proportional to 307,996.14, 425,004.66 and 172,019.28 is: 237,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,996.14 : 425,004.66 = 172,019.28 : x
  2. Step 2: Convert to fraction form
    307,996.14/425,004.66 = 172,019.28/x
  3. Step 3: Cross multiply
    307,996.14x = 425,004.66 × 172,019.28
  4. Step 4: Simplify right side
    307,996.14x = 73,108,995,609.84
  5. Step 5: Solve for x
    x = 73,108,995,609.84/307,996.14
  6. Step 6: Final answer
    x = 237,369.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.