Finding the Fourth Proportional to 306,965.16, 423,612.66 and 177,928.56
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Solution
The fourth proportional to 306,965.16, 423,612.66 and 177,928.56 is: 245,541.84
Step by Step Solution
- Step 1: Write the proportion equation
306,965.16 : 423,612.66 = 177,928.56 : x - Step 2: Convert to fraction form
306,965.16/423,612.66 = 177,928.56/x - Step 3: Cross multiply
306,965.16x = 423,612.66 × 177,928.56 - Step 4: Simplify right side
306,965.16x = 75,372,790,591.57 - Step 5: Solve for x
x = 75,372,790,591.57/306,965.16 - Step 6: Final answer
x = 245,541.84
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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.