Finding the Fourth Proportional to 266,728.31, 368,218.91 and 206,162.08
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Solution
The fourth proportional to 266,728.31, 368,218.91 and 206,162.08 is: 284,607.12
Step by Step Solution
- Step 1: Write the proportion equation
266,728.31 : 368,218.91 = 206,162.08 : x - Step 2: Convert to fraction form
266,728.31/368,218.91 = 206,162.08/x - Step 3: Cross multiply
266,728.31x = 368,218.91 × 206,162.08 - Step 4: Simplify right side
266,728.31x = 75,912,776,380.93 - Step 5: Solve for x
x = 75,912,776,380.93/266,728.31 - Step 6: Final answer
x = 284,607.12
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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.