Finding the Fourth Proportional to 189,880.09, 284,847.77 and 69,994.42
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Solution
The fourth proportional to 189,880.09, 284,847.77 and 69,994.42 is: 105,001.82
Step by Step Solution
- Step 1: Write the proportion equation
189,880.09 : 284,847.77 = 69,994.42 : x - Step 2: Convert to fraction form
189,880.09/284,847.77 = 69,994.42/x - Step 3: Cross multiply
189,880.09x = 284,847.77 × 69,994.42 - Step 4: Simplify right side
189,880.09x = 19,937,753,912.31 - Step 5: Solve for x
x = 19,937,753,912.31/189,880.09 - Step 6: Final answer
x = 105,001.82
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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.