Finding the Fourth Proportional to 137,415.70, 192,537.50 and 137,415.70
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Solution
The fourth proportional to 137,415.70, 192,537.50 and 137,415.70 is: 192,537.50
Step by Step Solution
- Step 1: Write the proportion equation
137,415.70 : 192,537.50 = 137,415.70 : x - Step 2: Convert to fraction form
137,415.70/192,537.50 = 137,415.70/x - Step 3: Cross multiply
137,415.70x = 192,537.50 × 137,415.70 - Step 4: Simplify right side
137,415.70x = 26,457,675,338.75 - Step 5: Solve for x
x = 26,457,675,338.75/137,415.70 - Step 6: Final answer
x = 192,537.50
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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.