Home / 291,226.08-401,825.52-163,855.20

Finding the Fourth Proportional to 291,226.08, 401,825.52 and 163,855.20

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Solution

The fourth proportional to 291,226.08, 401,825.52 and 163,855.20 is: 226,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,226.08 : 401,825.52 = 163,855.20 : x
  2. Step 2: Convert to fraction form
    291,226.08/401,825.52 = 163,855.20/x
  3. Step 3: Cross multiply
    291,226.08x = 401,825.52 × 163,855.20
  4. Step 4: Simplify right side
    291,226.08x = 65,841,200,944.70
  5. Step 5: Solve for x
    x = 65,841,200,944.70/291,226.08
  6. Step 6: Final answer
    x = 226,082.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.