Home / 358,022.96-494,033.36-207,091.76

Finding the Fourth Proportional to 358,022.96, 494,033.36 and 207,091.76

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Solution

The fourth proportional to 358,022.96, 494,033.36 and 207,091.76 is: 285,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,022.96 : 494,033.36 = 207,091.76 : x
  2. Step 2: Convert to fraction form
    358,022.96/494,033.36 = 207,091.76/x
  3. Step 3: Cross multiply
    358,022.96x = 494,033.36 × 207,091.76
  4. Step 4: Simplify right side
    358,022.96x = 102,310,238,021.11
  5. Step 5: Solve for x
    x = 102,310,238,021.11/358,022.96
  6. Step 6: Final answer
    x = 285,764.46

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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.