Home / 221,446.00-305,438.04-147,821.36

Finding the Fourth Proportional to 221,446.00, 305,438.04 and 147,821.36

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Solution

The fourth proportional to 221,446.00, 305,438.04 and 147,821.36 is: 203,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,446.00 : 305,438.04 = 147,821.36 : x
  2. Step 2: Convert to fraction form
    221,446.00/305,438.04 = 147,821.36/x
  3. Step 3: Cross multiply
    221,446.00x = 305,438.04 × 147,821.36
  4. Step 4: Simplify right side
    221,446.00x = 45,150,264,941.34
  5. Step 5: Solve for x
    x = 45,150,264,941.34/221,446.00
  6. Step 6: Final answer
    x = 203,888.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.