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Finding the Fourth Proportional to 235,713.27, 353,581.58 and 67,258.41

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Solution

The fourth proportional to 235,713.27, 353,581.58 and 67,258.41 is: 100,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,713.27 : 353,581.58 = 67,258.41 : x
  2. Step 2: Convert to fraction form
    235,713.27/353,581.58 = 67,258.41/x
  3. Step 3: Cross multiply
    235,713.27x = 353,581.58 × 67,258.41
  4. Step 4: Simplify right side
    235,713.27x = 23,781,333,108.18
  5. Step 5: Solve for x
    x = 23,781,333,108.18/235,713.27
  6. Step 6: Final answer
    x = 100,890.94

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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.