Finding the Fourth Proportional to 212,910.57, 319,311.36 and 63,115.84
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Solution
The fourth proportional to 212,910.57, 319,311.36 and 63,115.84 is: 94,657.61
Step by Step Solution
- Step 1: Write the proportion equation
212,910.57 : 319,311.36 = 63,115.84 : x - Step 2: Convert to fraction form
212,910.57/319,311.36 = 63,115.84/x - Step 3: Cross multiply
212,910.57x = 319,311.36 × 63,115.84 - Step 4: Simplify right side
212,910.57x = 20,153,604,707.94 - Step 5: Solve for x
x = 20,153,604,707.94/212,910.57 - Step 6: Final answer
x = 94,657.61
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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.