Home / 262,370.73-393,584.21-72,831.89

Finding the Fourth Proportional to 262,370.73, 393,584.21 and 72,831.89

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Solution

The fourth proportional to 262,370.73, 393,584.21 and 72,831.89 is: 109,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,370.73 : 393,584.21 = 72,831.89 : x
  2. Step 2: Convert to fraction form
    262,370.73/393,584.21 = 72,831.89/x
  3. Step 3: Cross multiply
    262,370.73x = 393,584.21 × 72,831.89
  4. Step 4: Simplify right side
    262,370.73x = 28,665,483,054.50
  5. Step 5: Solve for x
    x = 28,665,483,054.50/262,370.73
  6. Step 6: Final answer
    x = 109,255.64

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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.