Finding the Fourth Proportional to 403,448.44, 605,546.70 and 203,909.26
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Solution
The fourth proportional to 403,448.44, 605,546.70 and 203,909.26 is: 306,052.94
Step by Step Solution
- Step 1: Write the proportion equation
403,448.44 : 605,546.70 = 203,909.26 : x - Step 2: Convert to fraction form
403,448.44/605,546.70 = 203,909.26/x - Step 3: Cross multiply
403,448.44x = 605,546.70 × 203,909.26 - Step 4: Simplify right side
403,448.44x = 123,476,579,492.44 - Step 5: Solve for x
x = 123,476,579,492.44/403,448.44 - Step 6: Final answer
x = 306,052.94
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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.