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Finding the Fourth Proportional to 359,226.68, 495,736.29 and 198,087.44

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Solution

The fourth proportional to 359,226.68, 495,736.29 and 198,087.44 is: 273,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,226.68 : 495,736.29 = 198,087.44 : x
  2. Step 2: Convert to fraction form
    359,226.68/495,736.29 = 198,087.44/x
  3. Step 3: Cross multiply
    359,226.68x = 495,736.29 × 198,087.44
  4. Step 4: Simplify right side
    359,226.68x = 98,199,130,122.52
  5. Step 5: Solve for x
    x = 98,199,130,122.52/359,226.68
  6. Step 6: Final answer
    x = 273,362.58

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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.