Finding the Fourth Proportional to 322,715.94, 445,358.97 and 177,528.12
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Solution
The fourth proportional to 322,715.94, 445,358.97 and 177,528.12 is: 244,994.84
Step by Step Solution
- Step 1: Write the proportion equation
322,715.94 : 445,358.97 = 177,528.12 : x - Step 2: Convert to fraction form
322,715.94/445,358.97 = 177,528.12/x - Step 3: Cross multiply
322,715.94x = 445,358.97 × 177,528.12 - Step 4: Simplify right side
322,715.94x = 79,063,740,669.24 - Step 5: Solve for x
x = 79,063,740,669.24/322,715.94 - Step 6: Final answer
x = 244,994.84
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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.