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Finding the Fourth Proportional to 359,422.44, 496,003.08 and 198,277.92

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Solution

The fourth proportional to 359,422.44, 496,003.08 and 198,277.92 is: 273,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,422.44 : 496,003.08 = 198,277.92 : x
  2. Step 2: Convert to fraction form
    359,422.44/496,003.08 = 198,277.92/x
  3. Step 3: Cross multiply
    359,422.44x = 496,003.08 × 198,277.92
  4. Step 4: Simplify right side
    359,422.44x = 98,346,459,015.99
  5. Step 5: Solve for x
    x = 98,346,459,015.99/359,422.44
  6. Step 6: Final answer
    x = 273,623.59

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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.