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Finding the Fourth Proportional to 351,395, 484,887.89 and 198,423.92

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Solution

The fourth proportional to 351,395, 484,887.89 and 198,423.92 is: 273,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,395 : 484,887.89 = 198,423.92 : x
  2. Step 2: Convert to fraction form
    351,395/484,887.89 = 198,423.92/x
  3. Step 3: Cross multiply
    351,395x = 484,887.89 × 198,423.92
  4. Step 4: Simplify right side
    351,395x = 96,213,355,894.33
  5. Step 5: Solve for x
    x = 96,213,355,894.33/351,395
  6. Step 6: Final answer
    x = 273,804.00

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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.