Finding the Fourth Proportional to 355,714.55, 490,889.93 and 194,566.05
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Solution
The fourth proportional to 355,714.55, 490,889.93 and 194,566.05 is: 268,503.26
Step by Step Solution
- Step 1: Write the proportion equation
355,714.55 : 490,889.93 = 194,566.05 : x - Step 2: Convert to fraction form
355,714.55/490,889.93 = 194,566.05/x - Step 3: Cross multiply
355,714.55x = 490,889.93 × 194,566.05 - Step 4: Simplify right side
355,714.55x = 95,510,515,151.29 - Step 5: Solve for x
x = 95,510,515,151.29/355,714.55 - Step 6: Final answer
x = 268,503.26
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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.