Finding the Fourth Proportional to 206,860.62, 310,284.75 and 57,110.05
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Solution
The fourth proportional to 206,860.62, 310,284.75 and 57,110.05 is: 85,663.37
Step by Step Solution
- Step 1: Write the proportion equation
206,860.62 : 310,284.75 = 57,110.05 : x - Step 2: Convert to fraction form
206,860.62/310,284.75 = 57,110.05/x - Step 3: Cross multiply
206,860.62x = 310,284.75 × 57,110.05 - Step 4: Simplify right side
206,860.62x = 17,720,377,586.74 - Step 5: Solve for x
x = 17,720,377,586.74/206,860.62 - Step 6: Final answer
x = 85,663.37
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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.