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Finding the Fourth Proportional to 221,868.30, 332,802.45 and 184,470.60

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Solution

The fourth proportional to 221,868.30, 332,802.45 and 184,470.60 is: 276,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,868.30 : 332,802.45 = 184,470.60 : x
  2. Step 2: Convert to fraction form
    221,868.30/332,802.45 = 184,470.60/x
  3. Step 3: Cross multiply
    221,868.30x = 332,802.45 × 184,470.60
  4. Step 4: Simplify right side
    221,868.30x = 61,392,267,632.97
  5. Step 5: Solve for x
    x = 61,392,267,632.97/221,868.30
  6. Step 6: Final answer
    x = 276,705.90

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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.