Finding the Fourth Proportional to 203,892.06, 305,588.18 and 91,543.44
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Solution
The fourth proportional to 203,892.06, 305,588.18 and 91,543.44 is: 137,202.96
Step by Step Solution
- Step 1: Write the proportion equation
203,892.06 : 305,588.18 = 91,543.44 : x - Step 2: Convert to fraction form
203,892.06/305,588.18 = 91,543.44/x - Step 3: Cross multiply
203,892.06x = 305,588.18 × 91,543.44 - Step 4: Simplify right side
203,892.06x = 27,974,593,220.54 - Step 5: Solve for x
x = 27,974,593,220.54/203,892.06 - Step 6: Final answer
x = 137,202.96
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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.