Finding the Fourth Proportional to 398,097.76, 596,725.99 and 271,423.99
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Solution
The fourth proportional to 398,097.76, 596,725.99 and 271,423.99 is: 406,849.18
Step by Step Solution
- Step 1: Write the proportion equation
398,097.76 : 596,725.99 = 271,423.99 : x - Step 2: Convert to fraction form
398,097.76/596,725.99 = 271,423.99/x - Step 3: Cross multiply
398,097.76x = 596,725.99 × 271,423.99 - Step 4: Simplify right side
398,097.76x = 161,965,747,531.56 - Step 5: Solve for x
x = 161,965,747,531.56/398,097.76 - Step 6: Final answer
x = 406,849.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.