Finding the Fourth Proportional to 371,286.29, 512,361.37 and 201,516.77
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Solution
The fourth proportional to 371,286.29, 512,361.37 and 201,516.77 is: 278,085.70
Step by Step Solution
- Step 1: Write the proportion equation
371,286.29 : 512,361.37 = 201,516.77 : x - Step 2: Convert to fraction form
371,286.29/512,361.37 = 201,516.77/x - Step 3: Cross multiply
371,286.29x = 512,361.37 × 201,516.77 - Step 4: Simplify right side
371,286.29x = 103,249,408,355.18 - Step 5: Solve for x
x = 103,249,408,355.18/371,286.29 - Step 6: Final answer
x = 278,085.70
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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.