Finding the Fourth Proportional to 330,907.68, 496,612.80 and 242,390.88
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Solution
The fourth proportional to 330,907.68, 496,612.80 and 242,390.88 is: 363,770.38
Step by Step Solution
- Step 1: Write the proportion equation
330,907.68 : 496,612.80 = 242,390.88 : x - Step 2: Convert to fraction form
330,907.68/496,612.80 = 242,390.88/x - Step 3: Cross multiply
330,907.68x = 496,612.80 × 242,390.88 - Step 4: Simplify right side
330,907.68x = 120,374,413,611.26 - Step 5: Solve for x
x = 120,374,413,611.26/330,907.68 - Step 6: Final answer
x = 363,770.38
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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.