Home / 359,409.07-495,987.60-198,269.65

Finding the Fourth Proportional to 359,409.07, 495,987.60 and 198,269.65

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Solution

The fourth proportional to 359,409.07, 495,987.60 and 198,269.65 is: 273,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,409.07 : 495,987.60 = 198,269.65 : x
  2. Step 2: Convert to fraction form
    359,409.07/495,987.60 = 198,269.65/x
  3. Step 3: Cross multiply
    359,409.07x = 495,987.60 × 198,269.65
  4. Step 4: Simplify right side
    359,409.07x = 98,339,287,856.34
  5. Step 5: Solve for x
    x = 98,339,287,856.34/359,409.07
  6. Step 6: Final answer
    x = 273,613.82

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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.