Finding the Fourth Proportional to 296,591.20, 409,293.72 and 160,621.99
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Solution
The fourth proportional to 296,591.20, 409,293.72 and 160,621.99 is: 221,657.19
Step by Step Solution
- Step 1: Write the proportion equation
296,591.20 : 409,293.72 = 160,621.99 : x - Step 2: Convert to fraction form
296,591.20/409,293.72 = 160,621.99/x - Step 3: Cross multiply
296,591.20x = 409,293.72 × 160,621.99 - Step 4: Simplify right side
296,591.20x = 65,741,573,085.39 - Step 5: Solve for x
x = 65,741,573,085.39/296,591.20 - Step 6: Final answer
x = 221,657.19
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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.