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Finding the Fourth Proportional to 359,514.92, 496,310.28 and 223,592.60

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Solution

The fourth proportional to 359,514.92, 496,310.28 and 223,592.60 is: 308,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,514.92 : 496,310.28 = 223,592.60 : x
  2. Step 2: Convert to fraction form
    359,514.92/496,310.28 = 223,592.60/x
  3. Step 3: Cross multiply
    359,514.92x = 496,310.28 × 223,592.60
  4. Step 4: Simplify right side
    359,514.92x = 110,971,305,911.93
  5. Step 5: Solve for x
    x = 110,971,305,911.93/359,514.92
  6. Step 6: Final answer
    x = 308,669.54

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1.5x scale

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.