Finding the Fourth Proportional to 542,578.08, 813,969.18 and 218,390.94
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Solution
The fourth proportional to 542,578.08, 813,969.18 and 218,390.94 is: 327,627.49
Step by Step Solution
- Step 1: Write the proportion equation
542,578.08 : 813,969.18 = 218,390.94 : x - Step 2: Convert to fraction form
542,578.08/813,969.18 = 218,390.94/x - Step 3: Cross multiply
542,578.08x = 813,969.18 × 218,390.94 - Step 4: Simplify right side
542,578.08x = 177,763,494,351.23 - Step 5: Solve for x
x = 177,763,494,351.23/542,578.08 - Step 6: Final answer
x = 327,627.49
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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.