Home / 290,049.45-400,341.81-198,205.92

Finding the Fourth Proportional to 290,049.45, 400,341.81 and 198,205.92

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Solution

The fourth proportional to 290,049.45, 400,341.81 and 198,205.92 is: 273,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,049.45 : 400,341.81 = 198,205.92 : x
  2. Step 2: Convert to fraction form
    290,049.45/400,341.81 = 198,205.92/x
  3. Step 3: Cross multiply
    290,049.45x = 400,341.81 × 198,205.92
  4. Step 4: Simplify right side
    290,049.45x = 79,350,116,765.52
  5. Step 5: Solve for x
    x = 79,350,116,765.52/290,049.45
  6. Step 6: Final answer
    x = 273,574.44

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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.