Finding the Fourth Proportional to 419,692.26, 629,660.98 and 135,376.52
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Solution
The fourth proportional to 419,692.26, 629,660.98 and 135,376.52 is: 203,104.32
Step by Step Solution
- Step 1: Write the proportion equation
419,692.26 : 629,660.98 = 135,376.52 : x - Step 2: Convert to fraction form
419,692.26/629,660.98 = 135,376.52/x - Step 3: Cross multiply
419,692.26x = 629,660.98 × 135,376.52 - Step 4: Simplify right side
419,692.26x = 85,241,312,252.19 - Step 5: Solve for x
x = 85,241,312,252.19/419,692.26 - Step 6: Final answer
x = 203,104.32
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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.