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Finding the Fourth Proportional to 381,433.03, 526,402.24 and 211,667.16

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Solution

The fourth proportional to 381,433.03, 526,402.24 and 211,667.16 is: 292,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,433.03 : 526,402.24 = 211,667.16 : x
  2. Step 2: Convert to fraction form
    381,433.03/526,402.24 = 211,667.16/x
  3. Step 3: Cross multiply
    381,433.03x = 526,402.24 × 211,667.16
  4. Step 4: Simplify right side
    381,433.03x = 111,422,067,158.44
  5. Step 5: Solve for x
    x = 111,422,067,158.44/381,433.03
  6. Step 6: Final answer
    x = 292,114.36

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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.