Home / 307,976.24-425,002.70-172,012.08

Finding the Fourth Proportional to 307,976.24, 425,002.70 and 172,012.08

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Solution

The fourth proportional to 307,976.24, 425,002.70 and 172,012.08 is: 237,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,976.24 : 425,002.70 = 172,012.08 : x
  2. Step 2: Convert to fraction form
    307,976.24/425,002.70 = 172,012.08/x
  3. Step 3: Cross multiply
    307,976.24x = 425,002.70 × 172,012.08
  4. Step 4: Simplify right side
    307,976.24x = 73,105,597,493.04
  5. Step 5: Solve for x
    x = 73,105,597,493.04/307,976.24
  6. Step 6: Final answer
    x = 237,374.14

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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.