Finding the Fourth Proportional to 284,351,407.75, 392,405,476.58 and 158,903,604.55
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Solution
The fourth proportional to 284,351,407.75, 392,405,476.58 and 158,903,604.55 is: 219,287,272.63
Step by Step Solution
- Step 1: Write the proportion equation
284,351,407.75 : 392,405,476.58 = 158,903,604.55 : x - Step 2: Convert to fraction form
284,351,407.75/392,405,476.58 = 158,903,604.55/x - Step 3: Cross multiply
284,351,407.75x = 392,405,476.58 × 158,903,604.55 - Step 4: Simplify right side
284,351,407.75x = 62,354,644,673,722,608 - Step 5: Solve for x
x = 62,354,644,673,722,608/284,351,407.75 - Step 6: Final answer
x = 219,287,272.63
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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.