Finding the Fourth Proportional to 477,450.21, 715,213.71 and 220,921.26
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Solution
The fourth proportional to 477,450.21, 715,213.71 and 220,921.26 is: 330,936.94
Step by Step Solution
- Step 1: Write the proportion equation
477,450.21 : 715,213.71 = 220,921.26 : x - Step 2: Convert to fraction form
477,450.21/715,213.71 = 220,921.26/x - Step 3: Cross multiply
477,450.21x = 715,213.71 × 220,921.26 - Step 4: Simplify right side
477,450.21x = 158,005,910,679.08 - Step 5: Solve for x
x = 158,005,910,679.08/477,450.21 - Step 6: Final answer
x = 330,936.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.