Finding the Fourth Proportional to 207,954.90, 311,349.15 and 202,122.90
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Solution
The fourth proportional to 207,954.90, 311,349.15 and 202,122.90 is: 302,617.51
Step by Step Solution
- Step 1: Write the proportion equation
207,954.90 : 311,349.15 = 202,122.90 : x - Step 2: Convert to fraction form
207,954.90/311,349.15 = 202,122.90/x - Step 3: Cross multiply
207,954.90x = 311,349.15 × 202,122.90 - Step 4: Simplify right side
207,954.90x = 62,930,793,110.54 - Step 5: Solve for x
x = 62,930,793,110.54/207,954.90 - Step 6: Final answer
x = 302,617.51
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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.