Finding the Fourth Proportional to 355,714.24, 490,859.04 and 194,560.96
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Solution
The fourth proportional to 355,714.24, 490,859.04 and 194,560.96 is: 268,479.57
Step by Step Solution
- Step 1: Write the proportion equation
355,714.24 : 490,859.04 = 194,560.96 : x - Step 2: Convert to fraction form
355,714.24/490,859.04 = 194,560.96/x - Step 3: Cross multiply
355,714.24x = 490,859.04 × 194,560.96 - Step 4: Simplify right side
355,714.24x = 95,502,006,047.08 - Step 5: Solve for x
x = 95,502,006,047.08/355,714.24 - Step 6: Final answer
x = 268,479.57
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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.