Finding the Fourth Proportional to 355,224.64, 490,184.42 and 194,045.48
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Solution
The fourth proportional to 355,224.64, 490,184.42 and 194,045.48 is: 267,768.79
Step by Step Solution
- Step 1: Write the proportion equation
355,224.64 : 490,184.42 = 194,045.48 : x - Step 2: Convert to fraction form
355,224.64/490,184.42 = 194,045.48/x - Step 3: Cross multiply
355,224.64x = 490,184.42 × 194,045.48 - Step 4: Simplify right side
355,224.64x = 95,118,071,067.42 - Step 5: Solve for x
x = 95,118,071,067.42/355,224.64 - Step 6: Final answer
x = 267,768.79
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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.