Finding the Fourth Proportional to 299,694.57, 413,586.63 and 178,905.96
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Solution
The fourth proportional to 299,694.57, 413,586.63 and 178,905.96 is: 246,895.07
Step by Step Solution
- Step 1: Write the proportion equation
299,694.57 : 413,586.63 = 178,905.96 : x - Step 2: Convert to fraction form
299,694.57/413,586.63 = 178,905.96/x - Step 3: Cross multiply
299,694.57x = 413,586.63 × 178,905.96 - Step 4: Simplify right side
299,694.57x = 73,993,113,083.31 - Step 5: Solve for x
x = 73,993,113,083.31/299,694.57 - Step 6: Final answer
x = 246,895.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.