Finding the Fourth Proportional to 355,289.91, 490,301.35 and 194,144.96
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Solution
The fourth proportional to 355,289.91, 490,301.35 and 194,144.96 is: 267,920.74
Step by Step Solution
- Step 1: Write the proportion equation
355,289.91 : 490,301.35 = 194,144.96 : x - Step 2: Convert to fraction form
355,289.91/490,301.35 = 194,144.96/x - Step 3: Cross multiply
355,289.91x = 490,301.35 × 194,144.96 - Step 4: Simplify right side
355,289.91x = 95,189,535,983.70 - Step 5: Solve for x
x = 95,189,535,983.70/355,289.91 - Step 6: Final answer
x = 267,920.74
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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.