Home / 307,921.80-424,923.78-171,951.96

Finding the Fourth Proportional to 307,921.80, 424,923.78 and 171,951.96

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Solution

The fourth proportional to 307,921.80, 424,923.78 and 171,951.96 is: 237,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,921.80 : 424,923.78 = 171,951.96 : x
  2. Step 2: Convert to fraction form
    307,921.80/424,923.78 = 171,951.96/x
  3. Step 3: Cross multiply
    307,921.80x = 424,923.78 × 171,951.96
  4. Step 4: Simplify right side
    307,921.80x = 73,066,476,821.61
  5. Step 5: Solve for x
    x = 73,066,476,821.61/307,921.80
  6. Step 6: Final answer
    x = 237,289.07

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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.