Home / 359,229.05-495,739.55-198,089.81

Finding the Fourth Proportional to 359,229.05, 495,739.55 and 198,089.81

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Solution

The fourth proportional to 359,229.05, 495,739.55 and 198,089.81 is: 273,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,229.05 : 495,739.55 = 198,089.81 : x
  2. Step 2: Convert to fraction form
    359,229.05/495,739.55 = 198,089.81/x
  3. Step 3: Cross multiply
    359,229.05x = 495,739.55 × 198,089.81
  4. Step 4: Simplify right side
    359,229.05x = 98,200,952,278.54
  5. Step 5: Solve for x
    x = 98,200,952,278.54/359,229.05
  6. Step 6: Final answer
    x = 273,365.84

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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.