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Finding the Fourth Proportional to 235,761.44, 353,635.68 and 102,641.45

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Solution

The fourth proportional to 235,761.44, 353,635.68 and 102,641.45 is: 153,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,761.44 : 353,635.68 = 102,641.45 : x
  2. Step 2: Convert to fraction form
    235,761.44/353,635.68 = 102,641.45/x
  3. Step 3: Cross multiply
    235,761.44x = 353,635.68 × 102,641.45
  4. Step 4: Simplify right side
    235,761.44x = 36,297,678,966.94
  5. Step 5: Solve for x
    x = 36,297,678,966.94/235,761.44
  6. Step 6: Final answer
    x = 153,959.35

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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.