Home / 359,408.07-495,986.22-198,268.65

Finding the Fourth Proportional to 359,408.07, 495,986.22 and 198,268.65

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Solution

The fourth proportional to 359,408.07, 495,986.22 and 198,268.65 is: 273,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,408.07 : 495,986.22 = 198,268.65 : x
  2. Step 2: Convert to fraction form
    359,408.07/495,986.22 = 198,268.65/x
  3. Step 3: Cross multiply
    359,408.07x = 495,986.22 × 198,268.65
  4. Step 4: Simplify right side
    359,408.07x = 98,338,518,258.00
  5. Step 5: Solve for x
    x = 98,338,518,258.00/359,408.07
  6. Step 6: Final answer
    x = 273,612.44

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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.