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Finding the Fourth Proportional to 637,405.68, 956,166.96 and 164,092.56

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Solution

The fourth proportional to 637,405.68, 956,166.96 and 164,092.56 is: 246,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,405.68 : 956,166.96 = 164,092.56 : x
  2. Step 2: Convert to fraction form
    637,405.68/956,166.96 = 164,092.56/x
  3. Step 3: Cross multiply
    637,405.68x = 956,166.96 × 164,092.56
  4. Step 4: Simplify right side
    637,405.68x = 156,899,884,253.82
  5. Step 5: Solve for x
    x = 156,899,884,253.82/637,405.68
  6. Step 6: Final answer
    x = 246,153.88

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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.