Home / 221,010.95-331,513.98-132,289.22

Finding the Fourth Proportional to 221,010.95, 331,513.98 and 132,289.22

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Solution

The fourth proportional to 221,010.95, 331,513.98 and 132,289.22 is: 198,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,010.95 : 331,513.98 = 132,289.22 : x
  2. Step 2: Convert to fraction form
    221,010.95/331,513.98 = 132,289.22/x
  3. Step 3: Cross multiply
    221,010.95x = 331,513.98 × 132,289.22
  4. Step 4: Simplify right side
    221,010.95x = 43,855,724,175.73
  5. Step 5: Solve for x
    x = 43,855,724,175.73/221,010.95
  6. Step 6: Final answer
    x = 198,432.36

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1.5x scale

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.