Finding the Fourth Proportional to 203,985.15, 305,905.32 and 59,850.75
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Solution
The fourth proportional to 203,985.15, 305,905.32 and 59,850.75 is: 89,754.88
Step by Step Solution
- Step 1: Write the proportion equation
203,985.15 : 305,905.32 = 59,850.75 : x - Step 2: Convert to fraction form
203,985.15/305,905.32 = 59,850.75/x - Step 3: Cross multiply
203,985.15x = 305,905.32 × 59,850.75 - Step 4: Simplify right side
203,985.15x = 18,308,662,830.99 - Step 5: Solve for x
x = 18,308,662,830.99/203,985.15 - Step 6: Final answer
x = 89,754.88
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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.