Finding the Fourth Proportional to 212,984.70, 319,205.70 and 113,192.70
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Solution
The fourth proportional to 212,984.70, 319,205.70 and 113,192.70 is: 169,644.84
Step by Step Solution
- Step 1: Write the proportion equation
212,984.70 : 319,205.70 = 113,192.70 : x - Step 2: Convert to fraction form
212,984.70/319,205.70 = 113,192.70/x - Step 3: Cross multiply
212,984.70x = 319,205.70 × 113,192.70 - Step 4: Simplify right side
212,984.70x = 36,131,755,038.39 - Step 5: Solve for x
x = 36,131,755,038.39/212,984.70 - Step 6: Final answer
x = 169,644.84
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1.5x scale
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.