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Finding the Fourth Proportional to 236,630.70, 354,620.43 and 103,622.22

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Solution

The fourth proportional to 236,630.70, 354,620.43 and 103,622.22 is: 155,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,630.70 : 354,620.43 = 103,622.22 : x
  2. Step 2: Convert to fraction form
    236,630.70/354,620.43 = 103,622.22/x
  3. Step 3: Cross multiply
    236,630.70x = 354,620.43 × 103,622.22
  4. Step 4: Simplify right side
    236,630.70x = 36,746,556,213.95
  5. Step 5: Solve for x
    x = 36,746,556,213.95/236,630.70
  6. Step 6: Final answer
    x = 155,290.74

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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.