Home / 307,757.18-424,726.26-171,817.85

Finding the Fourth Proportional to 307,757.18, 424,726.26 and 171,817.85

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Solution

The fourth proportional to 307,757.18, 424,726.26 and 171,817.85 is: 237,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,757.18 : 424,726.26 = 171,817.85 : x
  2. Step 2: Convert to fraction form
    307,757.18/424,726.26 = 171,817.85/x
  3. Step 3: Cross multiply
    307,757.18x = 424,726.26 × 171,817.85
  4. Step 4: Simplify right side
    307,757.18x = 72,975,552,831.74
  5. Step 5: Solve for x
    x = 72,975,552,831.74/307,757.18
  6. Step 6: Final answer
    x = 237,120.55

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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.