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Finding the Fourth Proportional to 364,589.72, 503,239.44 and 211,662.24

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Solution

The fourth proportional to 364,589.72, 503,239.44 and 211,662.24 is: 292,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,589.72 : 503,239.44 = 211,662.24 : x
  2. Step 2: Convert to fraction form
    364,589.72/503,239.44 = 211,662.24/x
  3. Step 3: Cross multiply
    364,589.72x = 503,239.44 × 211,662.24
  4. Step 4: Simplify right side
    364,589.72x = 106,516,787,126.75
  5. Step 5: Solve for x
    x = 106,516,787,126.75/364,589.72
  6. Step 6: Final answer
    x = 292,155.21

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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.