Finding the Fourth Proportional to 204,242.58, 306,177.12 and 85,922.28
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Solution
The fourth proportional to 204,242.58, 306,177.12 and 85,922.28 is: 128,804.86
Step by Step Solution
- Step 1: Write the proportion equation
204,242.58 : 306,177.12 = 85,922.28 : x - Step 2: Convert to fraction form
204,242.58/306,177.12 = 85,922.28/x - Step 3: Cross multiply
204,242.58x = 306,177.12 × 85,922.28 - Step 4: Simplify right side
204,242.58x = 26,307,436,234.23 - Step 5: Solve for x
x = 26,307,436,234.23/204,242.58 - Step 6: Final answer
x = 128,804.86
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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.