Finding the Fourth Proportional to 331,449.92, 457,366.80 and 186,232.63
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Solution
The fourth proportional to 331,449.92, 457,366.80 and 186,232.63 is: 256,981.87
Step by Step Solution
- Step 1: Write the proportion equation
331,449.92 : 457,366.80 = 186,232.63 : x - Step 2: Convert to fraction form
331,449.92/457,366.80 = 186,232.63/x - Step 3: Cross multiply
331,449.92x = 457,366.80 × 186,232.63 - Step 4: Simplify right side
331,449.92x = 85,176,622,451.20 - Step 5: Solve for x
x = 85,176,622,451.20/331,449.92 - Step 6: Final answer
x = 256,981.87
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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.