Finding the Fourth Proportional to 363,809.70, 545,714.55 and 114,491.70
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Solution
The fourth proportional to 363,809.70, 545,714.55 and 114,491.70 is: 171,737.55
Step by Step Solution
- Step 1: Write the proportion equation
363,809.70 : 545,714.55 = 114,491.70 : x - Step 2: Convert to fraction form
363,809.70/545,714.55 = 114,491.70/x - Step 3: Cross multiply
363,809.70x = 545,714.55 × 114,491.70 - Step 4: Simplify right side
363,809.70x = 62,479,786,544.24 - Step 5: Solve for x
x = 62,479,786,544.24/363,809.70 - Step 6: Final answer
x = 171,737.55
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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.