Finding the Fourth Proportional to 325,090.88, 448,715.57 and 189,151.08
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Solution
The fourth proportional to 325,090.88, 448,715.57 and 189,151.08 is: 261,080.95
Step by Step Solution
- Step 1: Write the proportion equation
325,090.88 : 448,715.57 = 189,151.08 : x - Step 2: Convert to fraction form
325,090.88/448,715.57 = 189,151.08/x - Step 3: Cross multiply
325,090.88x = 448,715.57 × 189,151.08 - Step 4: Simplify right side
325,090.88x = 84,875,033,732.56 - Step 5: Solve for x
x = 84,875,033,732.56/325,090.88 - Step 6: Final answer
x = 261,080.95
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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.