Finding the Fourth Proportional to 352,531.84, 528,685.44 and 115,819.60
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Solution
The fourth proportional to 352,531.84, 528,685.44 and 115,819.60 is: 173,692.50
Step by Step Solution
- Step 1: Write the proportion equation
352,531.84 : 528,685.44 = 115,819.60 : x - Step 2: Convert to fraction form
352,531.84/528,685.44 = 115,819.60/x - Step 3: Cross multiply
352,531.84x = 528,685.44 × 115,819.60 - Step 4: Simplify right side
352,531.84x = 61,232,136,186.62 - Step 5: Solve for x
x = 61,232,136,186.62/352,531.84 - Step 6: Final answer
x = 173,692.50
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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.