Finding the Fourth Proportional to 326,052.80, 455,540.80 and 326,052.80
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Solution
The fourth proportional to 326,052.80, 455,540.80 and 326,052.80 is: 455,540.80
Step by Step Solution
- Step 1: Write the proportion equation
326,052.80 : 455,540.80 = 326,052.80 : x - Step 2: Convert to fraction form
326,052.80/455,540.80 = 326,052.80/x - Step 3: Cross multiply
326,052.80x = 455,540.80 × 326,052.80 - Step 4: Simplify right side
326,052.80x = 148,530,353,354.24 - Step 5: Solve for x
x = 148,530,353,354.24/326,052.80 - Step 6: Final answer
x = 455,540.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.