Finding the Fourth Proportional to 371,408.92, 512,544.28 and 201,643.08
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Solution
The fourth proportional to 371,408.92, 512,544.28 and 201,643.08 is: 278,267.43
Step by Step Solution
- Step 1: Write the proportion equation
371,408.92 : 512,544.28 = 201,643.08 : x - Step 2: Convert to fraction form
371,408.92/512,544.28 = 201,643.08/x - Step 3: Cross multiply
371,408.92x = 512,544.28 × 201,643.08 - Step 4: Simplify right side
371,408.92x = 103,351,007,255.58 - Step 5: Solve for x
x = 103,351,007,255.58/371,408.92 - Step 6: Final answer
x = 278,267.43
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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.