Finding the Fourth Proportional to 211,367.37, 291,718.14 and 133,850.09
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Solution
The fourth proportional to 211,367.37, 291,718.14 and 133,850.09 is: 184,732.86
Step by Step Solution
- Step 1: Write the proportion equation
211,367.37 : 291,718.14 = 133,850.09 : x - Step 2: Convert to fraction form
211,367.37/291,718.14 = 133,850.09/x - Step 3: Cross multiply
211,367.37x = 291,718.14 × 133,850.09 - Step 4: Simplify right side
211,367.37x = 39,046,499,520.99 - Step 5: Solve for x
x = 39,046,499,520.99/211,367.37 - Step 6: Final answer
x = 184,732.86
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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.