Home / 221,035.34-331,054.52-154,771.30

Finding the Fourth Proportional to 221,035.34, 331,054.52 and 154,771.30

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Solution

The fourth proportional to 221,035.34, 331,054.52 and 154,771.30 is: 231,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,035.34 : 331,054.52 = 154,771.30 : x
  2. Step 2: Convert to fraction form
    221,035.34/331,054.52 = 154,771.30/x
  3. Step 3: Cross multiply
    221,035.34x = 331,054.52 × 154,771.30
  4. Step 4: Simplify right side
    221,035.34x = 51,237,737,990.57
  5. Step 5: Solve for x
    x = 51,237,737,990.57/221,035.34
  6. Step 6: Final answer
    x = 231,807.90

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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.