Finding the Fourth Proportional to 352,243.08, 528,381.36 and 112,382.37
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Solution
The fourth proportional to 352,243.08, 528,381.36 and 112,382.37 is: 168,578.90
Step by Step Solution
- Step 1: Write the proportion equation
352,243.08 : 528,381.36 = 112,382.37 : x - Step 2: Convert to fraction form
352,243.08/528,381.36 = 112,382.37/x - Step 3: Cross multiply
352,243.08x = 528,381.36 × 112,382.37 - Step 4: Simplify right side
352,243.08x = 59,380,749,500.62 - Step 5: Solve for x
x = 59,380,749,500.62/352,243.08 - Step 6: Final answer
x = 168,578.90
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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.