Finding the Fourth Proportional to 302,912.41, 418,002.07 and 166,945.94
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Solution
The fourth proportional to 302,912.41, 418,002.07 and 166,945.94 is: 230,375.99
Step by Step Solution
- Step 1: Write the proportion equation
302,912.41 : 418,002.07 = 166,945.94 : x - Step 2: Convert to fraction form
302,912.41/418,002.07 = 166,945.94/x - Step 3: Cross multiply
302,912.41x = 418,002.07 × 166,945.94 - Step 4: Simplify right side
302,912.41x = 69,783,746,695.62 - Step 5: Solve for x
x = 69,783,746,695.62/302,912.41 - Step 6: Final answer
x = 230,375.99
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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.