Finding the Fourth Proportional to 331,176.24, 457,032.12 and 180,279.60
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Solution
The fourth proportional to 331,176.24, 457,032.12 and 180,279.60 is: 248,790.70
Step by Step Solution
- Step 1: Write the proportion equation
331,176.24 : 457,032.12 = 180,279.60 : x - Step 2: Convert to fraction form
331,176.24/457,032.12 = 180,279.60/x - Step 3: Cross multiply
331,176.24x = 457,032.12 × 180,279.60 - Step 4: Simplify right side
331,176.24x = 82,393,567,780.75 - Step 5: Solve for x
x = 82,393,567,780.75/331,176.24 - Step 6: Final answer
x = 248,790.70
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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.