Home / 359,918.22-496,680.93-198,775.20

Finding the Fourth Proportional to 359,918.22, 496,680.93 and 198,775.20

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Solution

The fourth proportional to 359,918.22, 496,680.93 and 198,775.20 is: 274,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,918.22 : 496,680.93 = 198,775.20 : x
  2. Step 2: Convert to fraction form
    359,918.22/496,680.93 = 198,775.20/x
  3. Step 3: Cross multiply
    359,918.22x = 496,680.93 × 198,775.20
  4. Step 4: Simplify right side
    359,918.22x = 98,727,851,196.94
  5. Step 5: Solve for x
    x = 98,727,851,196.94/359,918.22
  6. Step 6: Final answer
    x = 274,306.34

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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.