Home / 359,724.80-496,421.42-198,579.48

Finding the Fourth Proportional to 359,724.80, 496,421.42 and 198,579.48

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Solution

The fourth proportional to 359,724.80, 496,421.42 and 198,579.48 is: 274,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,724.80 : 496,421.42 = 198,579.48 : x
  2. Step 2: Convert to fraction form
    359,724.80/496,421.42 = 198,579.48/x
  3. Step 3: Cross multiply
    359,724.80x = 496,421.42 × 198,579.48
  4. Step 4: Simplify right side
    359,724.80x = 98,579,106,451.56
  5. Step 5: Solve for x
    x = 98,579,106,451.56/359,724.80
  6. Step 6: Final answer
    x = 274,040.34

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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.