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Finding the Fourth Proportional to 357,092.31, 535,673.04 and 104,367.12

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Solution

The fourth proportional to 357,092.31, 535,673.04 and 104,367.12 is: 156,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,092.31 : 535,673.04 = 104,367.12 : x
  2. Step 2: Convert to fraction form
    357,092.31/535,673.04 = 104,367.12/x
  3. Step 3: Cross multiply
    357,092.31x = 535,673.04 × 104,367.12
  4. Step 4: Simplify right side
    357,092.31x = 55,906,652,446.44
  5. Step 5: Solve for x
    x = 55,906,652,446.44/357,092.31
  6. Step 6: Final answer
    x = 156,560.79

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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.