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Finding the Fourth Proportional to 291,241.08, 401,846.22 and 163,870.20

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Solution

The fourth proportional to 291,241.08, 401,846.22 and 163,870.20 is: 226,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,241.08 : 401,846.22 = 163,870.20 : x
  2. Step 2: Convert to fraction form
    291,241.08/401,846.22 = 163,870.20/x
  3. Step 3: Cross multiply
    291,241.08x = 401,846.22 × 163,870.20
  4. Step 4: Simplify right side
    291,241.08x = 65,850,620,440.64
  5. Step 5: Solve for x
    x = 65,850,620,440.64/291,241.08
  6. Step 6: Final answer
    x = 226,103.48

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1.5x scale

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.