Finding the Fourth Proportional to 667,551.08, 1,001,388.18 and 218,274.26
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Solution
The fourth proportional to 667,551.08, 1,001,388.18 and 218,274.26 is: 327,431.51
Step by Step Solution
- Step 1: Write the proportion equation
667,551.08 : 1,001,388.18 = 218,274.26 : x - Step 2: Convert to fraction form
667,551.08/1,001,388.18 = 218,274.26/x - Step 3: Cross multiply
667,551.08x = 1,001,388.18 × 218,274.26 - Step 4: Simplify right side
667,551.08x = 218,577,259,773.83 - Step 5: Solve for x
x = 218,577,259,773.83/667,551.08 - Step 6: Final answer
x = 327,431.51
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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.