Finding the Fourth Proportional to 217,302.67, 299,853.66 and 120,504.09
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Solution
The fourth proportional to 217,302.67, 299,853.66 and 120,504.09 is: 166,282.32
Step by Step Solution
- Step 1: Write the proportion equation
217,302.67 : 299,853.66 = 120,504.09 : x - Step 2: Convert to fraction form
217,302.67/299,853.66 = 120,504.09/x - Step 3: Cross multiply
217,302.67x = 299,853.66 × 120,504.09 - Step 4: Simplify right side
217,302.67x = 36,133,592,431.47 - Step 5: Solve for x
x = 36,133,592,431.47/217,302.67 - Step 6: Final answer
x = 166,282.32
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1.5x scale
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.