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Finding the Fourth Proportional to 637,634.70, 956,608.92 and 188,353.35

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Solution

The fourth proportional to 637,634.70, 956,608.92 and 188,353.35 is: 282,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,634.70 : 956,608.92 = 188,353.35 : x
  2. Step 2: Convert to fraction form
    637,634.70/956,608.92 = 188,353.35/x
  3. Step 3: Cross multiply
    637,634.70x = 956,608.92 × 188,353.35
  4. Step 4: Simplify right side
    637,634.70x = 180,180,494,721.88
  5. Step 5: Solve for x
    x = 180,180,494,721.88/637,634.70
  6. Step 6: Final answer
    x = 282,576.36

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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.