Home / 221,005.75-331,740.52-195,866.10

Finding the Fourth Proportional to 221,005.75, 331,740.52 and 195,866.10

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Solution

The fourth proportional to 221,005.75, 331,740.52 and 195,866.10 is: 294,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,005.75 : 331,740.52 = 195,866.10 : x
  2. Step 2: Convert to fraction form
    221,005.75/331,740.52 = 195,866.10/x
  3. Step 3: Cross multiply
    221,005.75x = 331,740.52 × 195,866.10
  4. Step 4: Simplify right side
    221,005.75x = 64,976,720,772.64
  5. Step 5: Solve for x
    x = 64,976,720,772.64/221,005.75
  6. Step 6: Final answer
    x = 294,004.67

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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.