Finding the Fourth Proportional to 379,575.08, 523,760.08 and 216,235.88
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Solution
The fourth proportional to 379,575.08, 523,760.08 and 216,235.88 is: 298,375.02
Step by Step Solution
- Step 1: Write the proportion equation
379,575.08 : 523,760.08 = 216,235.88 : x - Step 2: Convert to fraction form
379,575.08/523,760.08 = 216,235.88/x - Step 3: Cross multiply
379,575.08x = 523,760.08 × 216,235.88 - Step 4: Simplify right side
379,575.08x = 113,255,721,807.67 - Step 5: Solve for x
x = 113,255,721,807.67/379,575.08 - Step 6: Final answer
x = 298,375.02
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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.