Finding the Fourth Proportional to 542,578.05, 813,969.14 and 218,390.94
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Solution
The fourth proportional to 542,578.05, 813,969.14 and 218,390.94 is: 327,627.49
Step by Step Solution
- Step 1: Write the proportion equation
542,578.05 : 813,969.14 = 218,390.94 : x - Step 2: Convert to fraction form
542,578.05/813,969.14 = 218,390.94/x - Step 3: Cross multiply
542,578.05x = 813,969.14 × 218,390.94 - Step 4: Simplify right side
542,578.05x = 177,763,484,523.64 - Step 5: Solve for x
x = 177,763,484,523.64/542,578.05 - Step 6: Final answer
x = 327,627.49
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1.5x scale
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.