Finding the Fourth Proportional to 206,567.96, 284,990.67 and 134,989.47
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Solution
The fourth proportional to 206,567.96, 284,990.67 and 134,989.47 is: 186,237.69
Step by Step Solution
- Step 1: Write the proportion equation
206,567.96 : 284,990.67 = 134,989.47 : x - Step 2: Convert to fraction form
206,567.96/284,990.67 = 134,989.47/x - Step 3: Cross multiply
206,567.96x = 284,990.67 × 134,989.47 - Step 4: Simplify right side
206,567.96x = 38,470,739,498.24 - Step 5: Solve for x
x = 38,470,739,498.24/206,567.96 - Step 6: Final answer
x = 186,237.69
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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.