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Finding the Fourth Proportional to 355,698.04, 490,879.02 and 204,843.64

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Solution

The fourth proportional to 355,698.04, 490,879.02 and 204,843.64 is: 282,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,698.04 : 490,879.02 = 204,843.64 : x
  2. Step 2: Convert to fraction form
    355,698.04/490,879.02 = 204,843.64/x
  3. Step 3: Cross multiply
    355,698.04x = 490,879.02 × 204,843.64
  4. Step 4: Simplify right side
    355,698.04x = 100,553,445,256.43
  5. Step 5: Solve for x
    x = 100,553,445,256.43/355,698.04
  6. Step 6: Final answer
    x = 282,693.28

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1.5x scale

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.