Home / 221,011.95-331,515.48-132,290.22

Finding the Fourth Proportional to 221,011.95, 331,515.48 and 132,290.22

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Solution

The fourth proportional to 221,011.95, 331,515.48 and 132,290.22 is: 198,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011.95 : 331,515.48 = 132,290.22 : x
  2. Step 2: Convert to fraction form
    221,011.95/331,515.48 = 132,290.22/x
  3. Step 3: Cross multiply
    221,011.95x = 331,515.48 × 132,290.22
  4. Step 4: Simplify right side
    221,011.95x = 43,856,255,782.61
  5. Step 5: Solve for x
    x = 43,856,255,782.61/221,011.95
  6. Step 6: Final answer
    x = 198,433.87

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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.