Finding the Fourth Proportional to 266,902.97, 368,310.21 and 146,020.19
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Solution
The fourth proportional to 266,902.97, 368,310.21 and 146,020.19 is: 201,499.17
Step by Step Solution
- Step 1: Write the proportion equation
266,902.97 : 368,310.21 = 146,020.19 : x - Step 2: Convert to fraction form
266,902.97/368,310.21 = 146,020.19/x - Step 3: Cross multiply
266,902.97x = 368,310.21 × 146,020.19 - Step 4: Simplify right side
266,902.97x = 53,780,726,843.14 - Step 5: Solve for x
x = 53,780,726,843.14/266,902.97 - Step 6: Final answer
x = 201,499.17
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1.5x scale
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.