Home / 307,989.45-425,034.00-170,177.25

Finding the Fourth Proportional to 307,989.45, 425,034.00 and 170,177.25

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Solution

The fourth proportional to 307,989.45, 425,034.00 and 170,177.25 is: 234,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,989.45 : 425,034.00 = 170,177.25 : x
  2. Step 2: Convert to fraction form
    307,989.45/425,034.00 = 170,177.25/x
  3. Step 3: Cross multiply
    307,989.45x = 425,034.00 × 170,177.25
  4. Step 4: Simplify right side
    307,989.45x = 72,331,116,425.61
  5. Step 5: Solve for x
    x = 72,331,116,425.61/307,989.45
  6. Step 6: Final answer
    x = 234,849.34

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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.