Finding the Fourth Proportional to 204,129.48, 305,539.11 and 109,122.15
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Solution
The fourth proportional to 204,129.48, 305,539.11 and 109,122.15 is: 163,333.02
Step by Step Solution
- Step 1: Write the proportion equation
204,129.48 : 305,539.11 = 109,122.15 : x - Step 2: Convert to fraction form
204,129.48/305,539.11 = 109,122.15/x - Step 3: Cross multiply
204,129.48x = 305,539.11 × 109,122.15 - Step 4: Simplify right side
204,129.48x = 33,341,084,592.29 - Step 5: Solve for x
x = 33,341,084,592.29/204,129.48 - Step 6: Final answer
x = 163,333.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.