Finding the Fourth Proportional to 212,811.70, 319,264.26 and 63,063.70
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Solution
The fourth proportional to 212,811.70, 319,264.26 and 63,063.70 is: 94,609.39
Step by Step Solution
- Step 1: Write the proportion equation
212,811.70 : 319,264.26 = 63,063.70 : x - Step 2: Convert to fraction form
212,811.70/319,264.26 = 63,063.70/x - Step 3: Cross multiply
212,811.70x = 319,264.26 × 63,063.70 - Step 4: Simplify right side
212,811.70x = 20,133,985,513.36 - Step 5: Solve for x
x = 20,133,985,513.36/212,811.70 - Step 6: Final answer
x = 94,609.39
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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.