Finding the Fourth Proportional to 298,715.41, 412,379.62 and 202,427.94
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Solution
The fourth proportional to 298,715.41, 412,379.62 and 202,427.94 is: 279,453.80
Step by Step Solution
- Step 1: Write the proportion equation
298,715.41 : 412,379.62 = 202,427.94 : x - Step 2: Convert to fraction form
298,715.41/412,379.62 = 202,427.94/x - Step 3: Cross multiply
298,715.41x = 412,379.62 × 202,427.94 - Step 4: Simplify right side
298,715.41x = 83,477,158,014.94 - Step 5: Solve for x
x = 83,477,158,014.94/298,715.41 - Step 6: Final answer
x = 279,453.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.