Home / 272,573.22-408,831.06-72,913.76

Finding the Fourth Proportional to 272,573.22, 408,831.06 and 72,913.76

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Solution

The fourth proportional to 272,573.22, 408,831.06 and 72,913.76 is: 109,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573.22 : 408,831.06 = 72,913.76 : x
  2. Step 2: Convert to fraction form
    272,573.22/408,831.06 = 72,913.76/x
  3. Step 3: Cross multiply
    272,573.22x = 408,831.06 × 72,913.76
  4. Step 4: Simplify right side
    272,573.22x = 29,809,409,789.39
  5. Step 5: Solve for x
    x = 29,809,409,789.39/272,573.22
  6. Step 6: Final answer
    x = 109,362.94

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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.