Finding the Fourth Proportional to 206,916.48, 310,351.23 and 57,177.99
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Solution
The fourth proportional to 206,916.48, 310,351.23 and 57,177.99 is: 85,760.49
Step by Step Solution
- Step 1: Write the proportion equation
206,916.48 : 310,351.23 = 57,177.99 : x - Step 2: Convert to fraction form
206,916.48/310,351.23 = 57,177.99/x - Step 3: Cross multiply
206,916.48x = 310,351.23 × 57,177.99 - Step 4: Simplify right side
206,916.48x = 17,745,259,525.43 - Step 5: Solve for x
x = 17,745,259,525.43/206,916.48 - Step 6: Final answer
x = 85,760.49
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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.