Finding the Fourth Proportional to 329,431.14, 454,620.02 and 193,467.96
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Solution
The fourth proportional to 329,431.14, 454,620.02 and 193,467.96 is: 266,988.75
Step by Step Solution
- Step 1: Write the proportion equation
329,431.14 : 454,620.02 = 193,467.96 : x - Step 2: Convert to fraction form
329,431.14/454,620.02 = 193,467.96/x - Step 3: Cross multiply
329,431.14x = 454,620.02 × 193,467.96 - Step 4: Simplify right side
329,431.14x = 87,954,406,877.22 - Step 5: Solve for x
x = 87,954,406,877.22/329,431.14 - Step 6: Final answer
x = 266,988.75
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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.