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Finding the Fourth Proportional to 235,445.36, 352,694.59 and 108,907.97

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Solution

The fourth proportional to 235,445.36, 352,694.59 and 108,907.97 is: 163,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,445.36 : 352,694.59 = 108,907.97 : x
  2. Step 2: Convert to fraction form
    235,445.36/352,694.59 = 108,907.97/x
  3. Step 3: Cross multiply
    235,445.36x = 352,694.59 × 108,907.97
  4. Step 4: Simplify right side
    235,445.36x = 38,411,251,826.88
  5. Step 5: Solve for x
    x = 38,411,251,826.88/235,445.36
  6. Step 6: Final answer
    x = 163,142.96

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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.