Home / 227,221.20-340,831.80-163,907.55

Finding the Fourth Proportional to 227,221.20, 340,831.80 and 163,907.55

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Solution

The fourth proportional to 227,221.20, 340,831.80 and 163,907.55 is: 245,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,221.20 : 340,831.80 = 163,907.55 : x
  2. Step 2: Convert to fraction form
    227,221.20/340,831.80 = 163,907.55/x
  3. Step 3: Cross multiply
    227,221.20x = 340,831.80 × 163,907.55
  4. Step 4: Simplify right side
    227,221.20x = 55,864,905,300.09
  5. Step 5: Solve for x
    x = 55,864,905,300.09/227,221.20
  6. Step 6: Final answer
    x = 245,861.33

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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.