Finding the Fourth Proportional to 135,301.23, 202,711.08 and 115,377.66
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Solution
The fourth proportional to 135,301.23, 202,711.08 and 115,377.66 is: 172,861.18
Step by Step Solution
- Step 1: Write the proportion equation
135,301.23 : 202,711.08 = 115,377.66 : x - Step 2: Convert to fraction form
135,301.23/202,711.08 = 115,377.66/x - Step 3: Cross multiply
135,301.23x = 202,711.08 × 115,377.66 - Step 4: Simplify right side
135,301.23x = 23,388,330,066.47 - Step 5: Solve for x
x = 23,388,330,066.47/135,301.23 - Step 6: Final answer
x = 172,861.18
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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.