Finding the Fourth Proportional to 419,167.17, 578,450.70 and 228,181.95
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Solution
The fourth proportional to 419,167.17, 578,450.70 and 228,181.95 is: 314,891.09
Step by Step Solution
- Step 1: Write the proportion equation
419,167.17 : 578,450.70 = 228,181.95 : x - Step 2: Convert to fraction form
419,167.17/578,450.70 = 228,181.95/x - Step 3: Cross multiply
419,167.17x = 578,450.70 × 228,181.95 - Step 4: Simplify right side
419,167.17x = 131,992,008,704.87 - Step 5: Solve for x
x = 131,992,008,704.87/419,167.17 - Step 6: Final answer
x = 314,891.09
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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.