Home / 455,523.10-683,268.45-206,205.10

Finding the Fourth Proportional to 455,523.10, 683,268.45 and 206,205.10

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Solution

The fourth proportional to 455,523.10, 683,268.45 and 206,205.10 is: 309,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,523.10 : 683,268.45 = 206,205.10 : x
  2. Step 2: Convert to fraction form
    455,523.10/683,268.45 = 206,205.10/x
  3. Step 3: Cross multiply
    455,523.10x = 683,268.45 × 206,205.10
  4. Step 4: Simplify right side
    455,523.10x = 140,893,439,059.10
  5. Step 5: Solve for x
    x = 140,893,439,059.10/455,523.10
  6. Step 6: Final answer
    x = 309,300.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.