Finding the Fourth Proportional to 365,078.72, 503,481.36 and 304,027.08
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Solution
The fourth proportional to 365,078.72, 503,481.36 and 304,027.08 is: 419,284.83
Step by Step Solution
- Step 1: Write the proportion equation
365,078.72 : 503,481.36 = 304,027.08 : x - Step 2: Convert to fraction form
365,078.72/503,481.36 = 304,027.08/x - Step 3: Cross multiply
365,078.72x = 503,481.36 × 304,027.08 - Step 4: Simplify right side
365,078.72x = 153,071,967,715.23 - Step 5: Solve for x
x = 153,071,967,715.23/365,078.72 - Step 6: Final answer
x = 419,284.83
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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.