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Finding the Fourth Proportional to 235,695.32, 353,390.84 and 100,847.39

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Solution

The fourth proportional to 235,695.32, 353,390.84 and 100,847.39 is: 151,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,695.32 : 353,390.84 = 100,847.39 : x
  2. Step 2: Convert to fraction form
    235,695.32/353,390.84 = 100,847.39/x
  3. Step 3: Cross multiply
    235,695.32x = 353,390.84 × 100,847.39
  4. Step 4: Simplify right side
    235,695.32x = 35,638,541,592.72
  5. Step 5: Solve for x
    x = 35,638,541,592.72/235,695.32
  6. Step 6: Final answer
    x = 151,205.98

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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.