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Finding the Fourth Proportional to 355,696.04, 490,876.26 and 204,841.64

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Solution

The fourth proportional to 355,696.04, 490,876.26 and 204,841.64 is: 282,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,696.04 : 490,876.26 = 204,841.64 : x
  2. Step 2: Convert to fraction form
    355,696.04/490,876.26 = 204,841.64/x
  3. Step 3: Cross multiply
    355,696.04x = 490,876.26 × 204,841.64
  4. Step 4: Simplify right side
    355,696.04x = 100,551,898,135.47
  5. Step 5: Solve for x
    x = 100,551,898,135.47/355,696.04
  6. Step 6: Final answer
    x = 282,690.52

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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.