Finding the Fourth Proportional to 512,908.12, 769,450.74 and 228,699.64
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Solution
The fourth proportional to 512,908.12, 769,450.74 and 228,699.64 is: 343,088.95
Step by Step Solution
- Step 1: Write the proportion equation
512,908.12 : 769,450.74 = 228,699.64 : x - Step 2: Convert to fraction form
512,908.12/769,450.74 = 228,699.64/x - Step 3: Cross multiply
512,908.12x = 769,450.74 × 228,699.64 - Step 4: Simplify right side
512,908.12x = 175,973,107,235.73 - Step 5: Solve for x
x = 175,973,107,235.73/512,908.12 - Step 6: Final answer
x = 343,088.95
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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.