Finding the Fourth Proportional to 271,421.84, 407,768.97 and 256,084.70
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Solution
The fourth proportional to 271,421.84, 407,768.97 and 256,084.70 is: 384,727.31
Step by Step Solution
- Step 1: Write the proportion equation
271,421.84 : 407,768.97 = 256,084.70 : x - Step 2: Convert to fraction form
271,421.84/407,768.97 = 256,084.70/x - Step 3: Cross multiply
271,421.84x = 407,768.97 × 256,084.70 - Step 4: Simplify right side
271,421.84x = 104,423,392,312.91 - Step 5: Solve for x
x = 104,423,392,312.91/271,421.84 - Step 6: Final answer
x = 384,727.31
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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.