Finding the Fourth Proportional to 284,383.08, 392,450.97 and 157,060.80
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Solution
The fourth proportional to 284,383.08, 392,450.97 and 157,060.80 is: 216,745.19
Step by Step Solution
- Step 1: Write the proportion equation
284,383.08 : 392,450.97 = 157,060.80 : x - Step 2: Convert to fraction form
284,383.08/392,450.97 = 157,060.80/x - Step 3: Cross multiply
284,383.08x = 392,450.97 × 157,060.80 - Step 4: Simplify right side
284,383.08x = 61,638,663,308.98 - Step 5: Solve for x
x = 61,638,663,308.98/284,383.08 - Step 6: Final answer
x = 216,745.19
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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.