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Finding the Fourth Proportional to 236,505.60, 354,706.56 and 68,025.60

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Solution

The fourth proportional to 236,505.60, 354,706.56 and 68,025.60 is: 102,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,505.60 : 354,706.56 = 68,025.60 : x
  2. Step 2: Convert to fraction form
    236,505.60/354,706.56 = 68,025.60/x
  3. Step 3: Cross multiply
    236,505.60x = 354,706.56 × 68,025.60
  4. Step 4: Simplify right side
    236,505.60x = 24,129,126,567.94
  5. Step 5: Solve for x
    x = 24,129,126,567.94/236,505.60
  6. Step 6: Final answer
    x = 102,023.49

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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.