Finding the Fourth Proportional to 212,944.40, 319,416.60 and 63,207.80
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Solution
The fourth proportional to 212,944.40, 319,416.60 and 63,207.80 is: 94,811.70
Step by Step Solution
- Step 1: Write the proportion equation
212,944.40 : 319,416.60 = 63,207.80 : x - Step 2: Convert to fraction form
212,944.40/319,416.60 = 63,207.80/x - Step 3: Cross multiply
212,944.40x = 319,416.60 × 63,207.80 - Step 4: Simplify right side
212,944.40x = 20,189,620,569.48 - Step 5: Solve for x
x = 20,189,620,569.48/212,944.40 - Step 6: Final answer
x = 94,811.70
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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.