Finding the Fourth Proportional to 245,682.75, 368,129.25 and 206,316.75
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Solution
The fourth proportional to 245,682.75, 368,129.25 and 206,316.75 is: 309,143.52
Step by Step Solution
- Step 1: Write the proportion equation
245,682.75 : 368,129.25 = 206,316.75 : x - Step 2: Convert to fraction form
245,682.75/368,129.25 = 206,316.75/x - Step 3: Cross multiply
245,682.75x = 368,129.25 × 206,316.75 - Step 4: Simplify right side
245,682.75x = 75,951,230,439.94 - Step 5: Solve for x
x = 75,951,230,439.94/245,682.75 - Step 6: Final answer
x = 309,143.52
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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.