Finding the Fourth Proportional to 877,524.63, 1,316,286.96 and 212,676.63
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Solution
The fourth proportional to 877,524.63, 1,316,286.96 and 212,676.63 is: 319,014.95
Step by Step Solution
- Step 1: Write the proportion equation
877,524.63 : 1,316,286.96 = 212,676.63 : x - Step 2: Convert to fraction form
877,524.63/1,316,286.96 = 212,676.63/x - Step 3: Cross multiply
877,524.63x = 1,316,286.96 × 212,676.63 - Step 4: Simplify right side
877,524.63x = 279,943,474,765.75 - Step 5: Solve for x
x = 279,943,474,765.75/877,524.63 - Step 6: Final answer
x = 319,014.95
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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.