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Finding the Fourth Proportional to 359,237.94, 495,736.98 and 198,099.78

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Solution

The fourth proportional to 359,237.94, 495,736.98 and 198,099.78 is: 273,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,237.94 : 495,736.98 = 198,099.78 : x
  2. Step 2: Convert to fraction form
    359,237.94/495,736.98 = 198,099.78/x
  3. Step 3: Cross multiply
    359,237.94x = 495,736.98 × 198,099.78
  4. Step 4: Simplify right side
    359,237.94x = 98,205,386,675.86
  5. Step 5: Solve for x
    x = 98,205,386,675.86/359,237.94
  6. Step 6: Final answer
    x = 273,371.42

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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.