Finding the Fourth Proportional to 363,908.70, 545,863.05 and 304,859.70
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Solution
The fourth proportional to 363,908.70, 545,863.05 and 304,859.70 is: 457,289.55
Step by Step Solution
- Step 1: Write the proportion equation
363,908.70 : 545,863.05 = 304,859.70 : x - Step 2: Convert to fraction form
363,908.70/545,863.05 = 304,859.70/x - Step 3: Cross multiply
363,908.70x = 545,863.05 × 304,859.70 - Step 4: Simplify right side
363,908.70x = 166,411,645,664.09 - Step 5: Solve for x
x = 166,411,645,664.09/363,908.70 - Step 6: Final answer
x = 457,289.55
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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.