Home / 359,709.48-496,399.18-198,564.64

Finding the Fourth Proportional to 359,709.48, 496,399.18 and 198,564.64

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Solution

The fourth proportional to 359,709.48, 496,399.18 and 198,564.64 is: 274,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,709.48 : 496,399.18 = 198,564.64 : x
  2. Step 2: Convert to fraction form
    359,709.48/496,399.18 = 198,564.64/x
  3. Step 3: Cross multiply
    359,709.48x = 496,399.18 × 198,564.64
  4. Step 4: Simplify right side
    359,709.48x = 98,567,320,998.18
  5. Step 5: Solve for x
    x = 98,567,320,998.18/359,709.48
  6. Step 6: Final answer
    x = 274,019.25

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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.