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Finding the Fourth Proportional to 235,295.55, 352,654.29 and 108,764.64

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Solution

The fourth proportional to 235,295.55, 352,654.29 and 108,764.64 is: 163,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,295.55 : 352,654.29 = 108,764.64 : x
  2. Step 2: Convert to fraction form
    235,295.55/352,654.29 = 108,764.64/x
  3. Step 3: Cross multiply
    235,295.55x = 352,654.29 × 108,764.64
  4. Step 4: Simplify right side
    235,295.55x = 38,356,316,896.31
  5. Step 5: Solve for x
    x = 38,356,316,896.31/235,295.55
  6. Step 6: Final answer
    x = 163,013.35

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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.