Home / 359,981.72-496,779.54-198,836.36

Finding the Fourth Proportional to 359,981.72, 496,779.54 and 198,836.36

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Solution

The fourth proportional to 359,981.72, 496,779.54 and 198,836.36 is: 274,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,981.72 : 496,779.54 = 198,836.36 : x
  2. Step 2: Convert to fraction form
    359,981.72/496,779.54 = 198,836.36/x
  3. Step 3: Cross multiply
    359,981.72x = 496,779.54 × 198,836.36
  4. Step 4: Simplify right side
    359,981.72x = 98,777,835,456.07
  5. Step 5: Solve for x
    x = 98,777,835,456.07/359,981.72
  6. Step 6: Final answer
    x = 274,396.81

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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.