Finding the Fourth Proportional to 207,902.01, 312,378.54 and 199,494.48
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Solution
The fourth proportional to 207,902.01, 312,378.54 and 199,494.48 is: 299,745.99
Step by Step Solution
- Step 1: Write the proportion equation
207,902.01 : 312,378.54 = 199,494.48 : x - Step 2: Convert to fraction form
207,902.01/312,378.54 = 199,494.48/x - Step 3: Cross multiply
207,902.01x = 312,378.54 × 199,494.48 - Step 4: Simplify right side
207,902.01x = 62,317,794,400.46 - Step 5: Solve for x
x = 62,317,794,400.46/207,902.01 - Step 6: Final answer
x = 299,745.99
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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.