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Finding the Fourth Proportional to 359,508.02, 496,131.45 and 198,373.45

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Solution

The fourth proportional to 359,508.02, 496,131.45 and 198,373.45 is: 273,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,508.02 : 496,131.45 = 198,373.45 : x
  2. Step 2: Convert to fraction form
    359,508.02/496,131.45 = 198,373.45/x
  3. Step 3: Cross multiply
    359,508.02x = 496,131.45 × 198,373.45
  4. Step 4: Simplify right side
    359,508.02x = 98,419,305,653.74
  5. Step 5: Solve for x
    x = 98,419,305,653.74/359,508.02
  6. Step 6: Final answer
    x = 273,761.09

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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.