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Finding the Fourth Proportional to 357,966.60, 494,006.60 and 196,833.92

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Solution

The fourth proportional to 357,966.60, 494,006.60 and 196,833.92 is: 271,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,966.60 : 494,006.60 = 196,833.92 : x
  2. Step 2: Convert to fraction form
    357,966.60/494,006.60 = 196,833.92/x
  3. Step 3: Cross multiply
    357,966.60x = 494,006.60 × 196,833.92
  4. Step 4: Simplify right side
    357,966.60x = 97,237,255,583.87
  5. Step 5: Solve for x
    x = 97,237,255,583.87/357,966.60
  6. Step 6: Final answer
    x = 271,637.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.