Finding the Fourth Proportional to 370,690.02, 511,546.68 and 209,539.44
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Solution
The fourth proportional to 370,690.02, 511,546.68 and 209,539.44 is: 289,161.29
Step by Step Solution
- Step 1: Write the proportion equation
370,690.02 : 511,546.68 = 209,539.44 : x - Step 2: Convert to fraction form
370,690.02/511,546.68 = 209,539.44/x - Step 3: Cross multiply
370,690.02x = 511,546.68 × 209,539.44 - Step 4: Simplify right side
370,690.02x = 107,189,204,861.06 - Step 5: Solve for x
x = 107,189,204,861.06/370,690.02 - Step 6: Final answer
x = 289,161.29
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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.