Finding the Fourth Proportional to 285,706.67, 428,631.39 and 201,630.95
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Solution
The fourth proportional to 285,706.67, 428,631.39 and 201,630.95 is: 302,496.80
Step by Step Solution
- Step 1: Write the proportion equation
285,706.67 : 428,631.39 = 201,630.95 : x - Step 2: Convert to fraction form
285,706.67/428,631.39 = 201,630.95/x - Step 3: Cross multiply
285,706.67x = 428,631.39 × 201,630.95 - Step 4: Simplify right side
285,706.67x = 86,425,355,437.10 - Step 5: Solve for x
x = 86,425,355,437.10/285,706.67 - Step 6: Final answer
x = 302,496.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.