Home / 221,567.79-332,280.61-71,771.96

Finding the Fourth Proportional to 221,567.79, 332,280.61 and 71,771.96

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Solution

The fourth proportional to 221,567.79, 332,280.61 and 71,771.96 is: 107,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,567.79 : 332,280.61 = 71,771.96 : x
  2. Step 2: Convert to fraction form
    221,567.79/332,280.61 = 71,771.96/x
  3. Step 3: Cross multiply
    221,567.79x = 332,280.61 × 71,771.96
  4. Step 4: Simplify right side
    221,567.79x = 23,848,430,649.70
  5. Step 5: Solve for x
    x = 23,848,430,649.70/221,567.79
  6. Step 6: Final answer
    x = 107,634.92

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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.