Home / 455,220.30-683,243.55-230,736.90

Finding the Fourth Proportional to 455,220.30, 683,243.55 and 230,736.90

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Solution

The fourth proportional to 455,220.30, 683,243.55 and 230,736.90 is: 346,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,220.30 : 683,243.55 = 230,736.90 : x
  2. Step 2: Convert to fraction form
    455,220.30/683,243.55 = 230,736.90/x
  3. Step 3: Cross multiply
    455,220.30x = 683,243.55 × 230,736.90
  4. Step 4: Simplify right side
    455,220.30x = 157,649,498,672.00
  5. Step 5: Solve for x
    x = 157,649,498,672.00/455,220.30
  6. Step 6: Final answer
    x = 346,314.74

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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.