Finding the Fourth Proportional to 183,445.42, 253,047.42 and 115,354.60
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Solution
The fourth proportional to 183,445.42, 253,047.42 and 115,354.60 is: 159,121.90
Step by Step Solution
- Step 1: Write the proportion equation
183,445.42 : 253,047.42 = 115,354.60 : x - Step 2: Convert to fraction form
183,445.42/253,047.42 = 115,354.60/x - Step 3: Cross multiply
183,445.42x = 253,047.42 × 115,354.60 - Step 4: Simplify right side
183,445.42x = 29,190,183,915.13 - Step 5: Solve for x
x = 29,190,183,915.13/183,445.42 - Step 6: Final answer
x = 159,121.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.