Finding the Fourth Proportional to 180,969.40, 271,542.42 and 128,001.70
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Solution
The fourth proportional to 180,969.40, 271,542.42 and 128,001.70 is: 192,065.02
Step by Step Solution
- Step 1: Write the proportion equation
180,969.40 : 271,542.42 = 128,001.70 : x - Step 2: Convert to fraction form
180,969.40/271,542.42 = 128,001.70/x - Step 3: Cross multiply
180,969.40x = 271,542.42 × 128,001.70 - Step 4: Simplify right side
180,969.40x = 34,757,891,382.11 - Step 5: Solve for x
x = 34,757,891,382.11/180,969.40 - Step 6: Final answer
x = 192,065.02
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1.5x scale
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.