Finding the Fourth Proportional to 287,344.75, 396,149.25 and 201,187.84
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Solution
The fourth proportional to 287,344.75, 396,149.25 and 201,187.84 is: 277,368.60
Step by Step Solution
- Step 1: Write the proportion equation
287,344.75 : 396,149.25 = 201,187.84 : x - Step 2: Convert to fraction form
287,344.75/396,149.25 = 201,187.84/x - Step 3: Cross multiply
287,344.75x = 396,149.25 × 201,187.84 - Step 4: Simplify right side
287,344.75x = 79,700,411,925.12 - Step 5: Solve for x
x = 79,700,411,925.12/287,344.75 - Step 6: Final answer
x = 277,368.60
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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.