Home / 387,766.56-581,960.88-200,831.52

Finding the Fourth Proportional to 387,766.56, 581,960.88 and 200,831.52

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Solution

The fourth proportional to 387,766.56, 581,960.88 and 200,831.52 is: 301,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,766.56 : 581,960.88 = 200,831.52 : x
  2. Step 2: Convert to fraction form
    387,766.56/581,960.88 = 200,831.52/x
  3. Step 3: Cross multiply
    387,766.56x = 581,960.88 × 200,831.52
  4. Step 4: Simplify right side
    387,766.56x = 116,876,088,110.94
  5. Step 5: Solve for x
    x = 116,876,088,110.94/387,766.56
  6. Step 6: Final answer
    x = 301,408.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.