Finding the Fourth Proportional to 180,431.49, 270,646.02 and 141,021.75
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Solution
The fourth proportional to 180,431.49, 270,646.02 and 141,021.75 is: 211,531.68
Step by Step Solution
- Step 1: Write the proportion equation
180,431.49 : 270,646.02 = 141,021.75 : x - Step 2: Convert to fraction form
180,431.49/270,646.02 = 141,021.75/x - Step 3: Cross multiply
180,431.49x = 270,646.02 × 141,021.75 - Step 4: Simplify right side
180,431.49x = 38,166,975,370.94 - Step 5: Solve for x
x = 38,166,975,370.94/180,431.49 - Step 6: Final answer
x = 211,531.68
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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.