Finding the Fourth Proportional to 203,292.53, 280,549.84 and 112,640.02
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Solution
The fourth proportional to 203,292.53, 280,549.84 and 112,640.02 is: 155,446.63
Step by Step Solution
- Step 1: Write the proportion equation
203,292.53 : 280,549.84 = 112,640.02 : x - Step 2: Convert to fraction form
203,292.53/280,549.84 = 112,640.02/x - Step 3: Cross multiply
203,292.53x = 280,549.84 × 112,640.02 - Step 4: Simplify right side
203,292.53x = 31,601,139,588.60 - Step 5: Solve for x
x = 31,601,139,588.60/203,292.53 - Step 6: Final answer
x = 155,446.63
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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.