Finding the Fourth Proportional to 99,278.24, 149,096.94 and 61,910.96
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Solution
The fourth proportional to 99,278.24, 149,096.94 and 61,910.96 is: 92,978.43
Step by Step Solution
- Step 1: Write the proportion equation
99,278.24 : 149,096.94 = 61,910.96 : x - Step 2: Convert to fraction form
99,278.24/149,096.94 = 61,910.96/x - Step 3: Cross multiply
99,278.24x = 149,096.94 × 61,910.96 - Step 4: Simplify right side
99,278.24x = 9,230,734,688.46 - Step 5: Solve for x
x = 9,230,734,688.46/99,278.24 - Step 6: Final answer
x = 92,978.43
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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.