Home / 359,377.05-495,943.79-198,238.89

Finding the Fourth Proportional to 359,377.05, 495,943.79 and 198,238.89

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Solution

The fourth proportional to 359,377.05, 495,943.79 and 198,238.89 is: 273,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,377.05 : 495,943.79 = 198,238.89 : x
  2. Step 2: Convert to fraction form
    359,377.05/495,943.79 = 198,238.89/x
  3. Step 3: Cross multiply
    359,377.05x = 495,943.79 × 198,238.89
  4. Step 4: Simplify right side
    359,377.05x = 98,315,346,431.99
  5. Step 5: Solve for x
    x = 98,315,346,431.99/359,377.05
  6. Step 6: Final answer
    x = 273,571.58

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1.5x scale

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.