Finding the Fourth Proportional to 274,907.16, 378,858.16 and 214,381.94
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Solution
The fourth proportional to 274,907.16, 378,858.16 and 214,381.94 is: 295,446.46
Step by Step Solution
- Step 1: Write the proportion equation
274,907.16 : 378,858.16 = 214,381.94 : x - Step 2: Convert to fraction form
274,907.16/378,858.16 = 214,381.94/x - Step 3: Cross multiply
274,907.16x = 378,858.16 × 214,381.94 - Step 4: Simplify right side
274,907.16x = 81,220,347,325.63 - Step 5: Solve for x
x = 81,220,347,325.63/274,907.16 - Step 6: Final answer
x = 295,446.46
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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.