Finding the Fourth Proportional to 217,427.70, 303,776.70 and 217,427.70
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Solution
The fourth proportional to 217,427.70, 303,776.70 and 217,427.70 is: 303,776.70
Step by Step Solution
- Step 1: Write the proportion equation
217,427.70 : 303,776.70 = 217,427.70 : x - Step 2: Convert to fraction form
217,427.70/303,776.70 = 217,427.70/x - Step 3: Cross multiply
217,427.70x = 303,776.70 × 217,427.70 - Step 4: Simplify right side
217,427.70x = 66,049,469,194.59 - Step 5: Solve for x
x = 66,049,469,194.59/217,427.70 - Step 6: Final answer
x = 303,776.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.