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Finding the Fourth Proportional to 222,726.60, 334,122.30 and 72,941.40

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Solution

The fourth proportional to 222,726.60, 334,122.30 and 72,941.40 is: 109,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,726.60 : 334,122.30 = 72,941.40 : x
  2. Step 2: Convert to fraction form
    222,726.60/334,122.30 = 72,941.40/x
  3. Step 3: Cross multiply
    222,726.60x = 334,122.30 × 72,941.40
  4. Step 4: Simplify right side
    222,726.60x = 24,371,348,333.22
  5. Step 5: Solve for x
    x = 24,371,348,333.22/222,726.60
  6. Step 6: Final answer
    x = 109,422.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.