Finding the Fourth Proportional to 211,511.99, 317,236.77 and 61,712.08
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Solution
The fourth proportional to 211,511.99, 317,236.77 and 61,712.08 is: 92,559.01
Step by Step Solution
- Step 1: Write the proportion equation
211,511.99 : 317,236.77 = 61,712.08 : x - Step 2: Convert to fraction form
211,511.99/317,236.77 = 61,712.08/x - Step 3: Cross multiply
211,511.99x = 317,236.77 × 61,712.08 - Step 4: Simplify right side
211,511.99x = 19,577,340,136.09 - Step 5: Solve for x
x = 19,577,340,136.09/211,511.99 - Step 6: Final answer
x = 92,559.01
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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.