Finding the Fourth Proportional to 352,486.08, 528,816.60 and 103,168.08
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Solution
The fourth proportional to 352,486.08, 528,816.60 and 103,168.08 is: 154,777.72
Step by Step Solution
- Step 1: Write the proportion equation
352,486.08 : 528,816.60 = 103,168.08 : x - Step 2: Convert to fraction form
352,486.08/528,816.60 = 103,168.08/x - Step 3: Cross multiply
352,486.08x = 528,816.60 × 103,168.08 - Step 4: Simplify right side
352,486.08x = 54,556,993,294.13 - Step 5: Solve for x
x = 54,556,993,294.13/352,486.08 - Step 6: Final answer
x = 154,777.72
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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.