Finding the Fourth Proportional to 145,960.17, 201,430.70 and 82,296.60
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Solution
The fourth proportional to 145,960.17, 201,430.70 and 82,296.60 is: 113,572.50
Step by Step Solution
- Step 1: Write the proportion equation
145,960.17 : 201,430.70 = 82,296.60 : x - Step 2: Convert to fraction form
145,960.17/201,430.70 = 82,296.60/x - Step 3: Cross multiply
145,960.17x = 201,430.70 × 82,296.60 - Step 4: Simplify right side
145,960.17x = 16,577,061,745.62 - Step 5: Solve for x
x = 16,577,061,745.62/145,960.17 - Step 6: Final answer
x = 113,572.50
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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.