Home / 221,322.20-331,937.76-63,515.48

Finding the Fourth Proportional to 221,322.20, 331,937.76 and 63,515.48

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Solution

The fourth proportional to 221,322.20, 331,937.76 and 63,515.48 is: 95,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,322.20 : 331,937.76 = 63,515.48 : x
  2. Step 2: Convert to fraction form
    221,322.20/331,937.76 = 63,515.48/x
  3. Step 3: Cross multiply
    221,322.20x = 331,937.76 × 63,515.48
  4. Step 4: Simplify right side
    221,322.20x = 21,083,186,156.52
  5. Step 5: Solve for x
    x = 21,083,186,156.52/221,322.20
  6. Step 6: Final answer
    x = 95,260.15

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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.