Home / 221,047.10-331,570.65-165,751.10

Finding the Fourth Proportional to 221,047.10, 331,570.65 and 165,751.10

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Solution

The fourth proportional to 221,047.10, 331,570.65 and 165,751.10 is: 248,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,047.10 : 331,570.65 = 165,751.10 : x
  2. Step 2: Convert to fraction form
    221,047.10/331,570.65 = 165,751.10/x
  3. Step 3: Cross multiply
    221,047.10x = 331,570.65 × 165,751.10
  4. Step 4: Simplify right side
    221,047.10x = 54,958,199,965.22
  5. Step 5: Solve for x
    x = 54,958,199,965.22/221,047.10
  6. Step 6: Final answer
    x = 248,626.65

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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.