Home / 359,940.42-496,721.52-198,799.56

Finding the Fourth Proportional to 359,940.42, 496,721.52 and 198,799.56

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Solution

The fourth proportional to 359,940.42, 496,721.52 and 198,799.56 is: 274,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,940.42 : 496,721.52 = 198,799.56 : x
  2. Step 2: Convert to fraction form
    359,940.42/496,721.52 = 198,799.56/x
  3. Step 3: Cross multiply
    359,940.42x = 496,721.52 × 198,799.56
  4. Step 4: Simplify right side
    359,940.42x = 98,748,019,618.53
  5. Step 5: Solve for x
    x = 98,748,019,618.53/359,940.42
  6. Step 6: Final answer
    x = 274,345.46

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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.