Finding the Fourth Proportional to 211,713.53, 317,538.09 and 61,913.75
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Solution
The fourth proportional to 211,713.53, 317,538.09 and 61,913.75 is: 92,861.20
Step by Step Solution
- Step 1: Write the proportion equation
211,713.53 : 317,538.09 = 61,913.75 : x - Step 2: Convert to fraction form
211,713.53/317,538.09 = 61,913.75/x - Step 3: Cross multiply
211,713.53x = 317,538.09 × 61,913.75 - Step 4: Simplify right side
211,713.53x = 19,659,972,332.05 - Step 5: Solve for x
x = 19,659,972,332.05/211,713.53 - Step 6: Final answer
x = 92,861.20
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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.