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Finding the Fourth Proportional to 364,630.57, 503,187.27 and 211,682.95

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Solution

The fourth proportional to 364,630.57, 503,187.27 and 211,682.95 is: 292,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,630.57 : 503,187.27 = 211,682.95 : x
  2. Step 2: Convert to fraction form
    364,630.57/503,187.27 = 211,682.95/x
  3. Step 3: Cross multiply
    364,630.57x = 503,187.27 × 211,682.95
  4. Step 4: Simplify right side
    364,630.57x = 106,516,165,116.07
  5. Step 5: Solve for x
    x = 106,516,165,116.07/364,630.57
  6. Step 6: Final answer
    x = 292,120.78

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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.