Home / 307,997.27-425,031.74-172,033.13

Finding the Fourth Proportional to 307,997.27, 425,031.74 and 172,033.13

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Solution

The fourth proportional to 307,997.27, 425,031.74 and 172,033.13 is: 237,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,997.27 : 425,031.74 = 172,033.13 : x
  2. Step 2: Convert to fraction form
    307,997.27/425,031.74 = 172,033.13/x
  3. Step 3: Cross multiply
    307,997.27x = 425,031.74 × 172,033.13
  4. Step 4: Simplify right side
    307,997.27x = 73,119,541,429.08
  5. Step 5: Solve for x
    x = 73,119,541,429.08/307,997.27
  6. Step 6: Final answer
    x = 237,403.21

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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.