Finding the Fourth Proportional to 448,107.31, 618,193.79 and 266,717.53
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Solution
The fourth proportional to 448,107.31, 618,193.79 and 266,717.53 is: 367,954.54
Step by Step Solution
- Step 1: Write the proportion equation
448,107.31 : 618,193.79 = 266,717.53 : x - Step 2: Convert to fraction form
448,107.31/618,193.79 = 266,717.53/x - Step 3: Cross multiply
448,107.31x = 618,193.79 × 266,717.53 - Step 4: Simplify right side
448,107.31x = 164,883,119,396.55 - Step 5: Solve for x
x = 164,883,119,396.55/448,107.31 - Step 6: Final answer
x = 367,954.54
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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.