Home / 221,037.10-331,555.65-165,741.10

Finding the Fourth Proportional to 221,037.10, 331,555.65 and 165,741.10

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Solution

The fourth proportional to 221,037.10, 331,555.65 and 165,741.10 is: 248,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,037.10 : 331,555.65 = 165,741.10 : x
  2. Step 2: Convert to fraction form
    221,037.10/331,555.65 = 165,741.10/x
  3. Step 3: Cross multiply
    221,037.10x = 331,555.65 × 165,741.10
  4. Step 4: Simplify right side
    221,037.10x = 54,952,398,142.22
  5. Step 5: Solve for x
    x = 54,952,398,142.22/221,037.10
  6. Step 6: Final answer
    x = 248,611.65

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Similar ratio
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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.