Home / 221,746.88-332,137.20-145,759.64

Finding the Fourth Proportional to 221,746.88, 332,137.20 and 145,759.64

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Solution

The fourth proportional to 221,746.88, 332,137.20 and 145,759.64 is: 218,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,746.88 : 332,137.20 = 145,759.64 : x
  2. Step 2: Convert to fraction form
    221,746.88/332,137.20 = 145,759.64/x
  3. Step 3: Cross multiply
    221,746.88x = 332,137.20 × 145,759.64
  4. Step 4: Simplify right side
    221,746.88x = 48,412,197,041.92
  5. Step 5: Solve for x
    x = 48,412,197,041.92/221,746.88
  6. Step 6: Final answer
    x = 218,321.89

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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.