Home / 221,431.19-332,199.52-71,671.50

Finding the Fourth Proportional to 221,431.19, 332,199.52 and 71,671.50

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Solution

The fourth proportional to 221,431.19, 332,199.52 and 71,671.50 is: 107,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,431.19 : 332,199.52 = 71,671.50 : x
  2. Step 2: Convert to fraction form
    221,431.19/332,199.52 = 71,671.50/x
  3. Step 3: Cross multiply
    221,431.19x = 332,199.52 × 71,671.50
  4. Step 4: Simplify right side
    221,431.19x = 23,809,237,718.50
  5. Step 5: Solve for x
    x = 23,809,237,718.50/221,431.19
  6. Step 6: Final answer
    x = 107,524.32

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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.