Finding the Fourth Proportional to 494,613.48, 741,974.74 and 157,575.72
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Solution
The fourth proportional to 494,613.48, 741,974.74 and 157,575.72 is: 236,380.95
Step by Step Solution
- Step 1: Write the proportion equation
494,613.48 : 741,974.74 = 157,575.72 : x - Step 2: Convert to fraction form
494,613.48/741,974.74 = 157,575.72/x - Step 3: Cross multiply
494,613.48x = 741,974.74 × 157,575.72 - Step 4: Simplify right side
494,613.48x = 116,917,203,877.31 - Step 5: Solve for x
x = 116,917,203,877.31/494,613.48 - Step 6: Final answer
x = 236,380.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.