Finding the Fourth Proportional to 768,049.68, 1,151,973.36 and 228,294.44
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Solution
The fourth proportional to 768,049.68, 1,151,973.36 and 228,294.44 is: 342,411.58
Step by Step Solution
- Step 1: Write the proportion equation
768,049.68 : 1,151,973.36 = 228,294.44 : x - Step 2: Convert to fraction form
768,049.68/1,151,973.36 = 228,294.44/x - Step 3: Cross multiply
768,049.68x = 1,151,973.36 × 228,294.44 - Step 4: Simplify right side
768,049.68x = 262,989,107,356.25 - Step 5: Solve for x
x = 262,989,107,356.25/768,049.68 - Step 6: Final answer
x = 342,411.58
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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.