Finding the Fourth Proportional to 355,237.08, 490,234.23 and 194,102.09
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Solution
The fourth proportional to 355,237.08, 490,234.23 and 194,102.09 is: 267,864.73
Step by Step Solution
- Step 1: Write the proportion equation
355,237.08 : 490,234.23 = 194,102.09 : x - Step 2: Convert to fraction form
355,237.08/490,234.23 = 194,102.09/x - Step 3: Cross multiply
355,237.08x = 490,234.23 × 194,102.09 - Step 4: Simplify right side
355,237.08x = 95,155,486,181.37 - Step 5: Solve for x
x = 95,155,486,181.37/355,237.08 - Step 6: Final answer
x = 267,864.73
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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.