Home / 355,713.04-490,899.74-204,858.64

Finding the Fourth Proportional to 355,713.04, 490,899.74 and 204,858.64

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Solution

The fourth proportional to 355,713.04, 490,899.74 and 204,858.64 is: 282,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,713.04 : 490,899.74 = 204,858.64 : x
  2. Step 2: Convert to fraction form
    355,713.04/490,899.74 = 204,858.64/x
  3. Step 3: Cross multiply
    355,713.04x = 490,899.74 × 204,858.64
  4. Step 4: Simplify right side
    355,713.04x = 100,565,053,112.75
  5. Step 5: Solve for x
    x = 100,565,053,112.75/355,713.04
  6. Step 6: Final answer
    x = 282,713.99

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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.