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Finding the Fourth Proportional to 355,080.36, 490,026.83 and 193,936.74

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Solution

The fourth proportional to 355,080.36, 490,026.83 and 193,936.74 is: 267,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,080.36 : 490,026.83 = 193,936.74 : x
  2. Step 2: Convert to fraction form
    355,080.36/490,026.83 = 193,936.74/x
  3. Step 3: Cross multiply
    355,080.36x = 490,026.83 × 193,936.74
  4. Step 4: Simplify right side
    355,080.36x = 95,034,204,206.34
  5. Step 5: Solve for x
    x = 95,034,204,206.34/355,080.36
  6. Step 6: Final answer
    x = 267,641.40

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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.