Finding the Fourth Proportional to 300,728.25, 415,004.99 and 179,874.63
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Solution
The fourth proportional to 300,728.25, 415,004.99 and 179,874.63 is: 248,226.99
Step by Step Solution
- Step 1: Write the proportion equation
300,728.25 : 415,004.99 = 179,874.63 : x - Step 2: Convert to fraction form
300,728.25/415,004.99 = 179,874.63/x - Step 3: Cross multiply
300,728.25x = 415,004.99 × 179,874.63 - Step 4: Simplify right side
300,728.25x = 74,648,868,125.03 - Step 5: Solve for x
x = 74,648,868,125.03/300,728.25 - Step 6: Final answer
x = 248,226.99
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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.