Finding the Fourth Proportional to 135,530.95, 203,306.42 and 35,690.46
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Solution
The fourth proportional to 135,530.95, 203,306.42 and 35,690.46 is: 53,538.32
Step by Step Solution
- Step 1: Write the proportion equation
135,530.95 : 203,306.42 = 35,690.46 : x - Step 2: Convert to fraction form
135,530.95/203,306.42 = 35,690.46/x - Step 3: Cross multiply
135,530.95x = 203,306.42 × 35,690.46 - Step 4: Simplify right side
135,530.95x = 7,256,099,650.75 - Step 5: Solve for x
x = 7,256,099,650.75/135,530.95 - Step 6: Final answer
x = 53,538.32
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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.