Home / 357,820.14-493,804.79-196,687.45

Finding the Fourth Proportional to 357,820.14, 493,804.79 and 196,687.45

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Solution

The fourth proportional to 357,820.14, 493,804.79 and 196,687.45 is: 271,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,820.14 : 493,804.79 = 196,687.45 : x
  2. Step 2: Convert to fraction form
    357,820.14/493,804.79 = 196,687.45/x
  3. Step 3: Cross multiply
    357,820.14x = 493,804.79 × 196,687.45
  4. Step 4: Simplify right side
    357,820.14x = 97,125,204,942.89
  5. Step 5: Solve for x
    x = 97,125,204,942.89/357,820.14
  6. Step 6: Final answer
    x = 271,435.83

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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.