Finding the Fourth Proportional to 945,236.08, 1,417,612.20 and 280,232.56
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Solution
The fourth proportional to 945,236.08, 1,417,612.20 and 280,232.56 is: 420,277.12
Step by Step Solution
- Step 1: Write the proportion equation
945,236.08 : 1,417,612.20 = 280,232.56 : x - Step 2: Convert to fraction form
945,236.08/1,417,612.20 = 280,232.56/x - Step 3: Cross multiply
945,236.08x = 1,417,612.20 × 280,232.56 - Step 4: Simplify right side
945,236.08x = 397,261,095,893.23 - Step 5: Solve for x
x = 397,261,095,893.23/945,236.08 - Step 6: Final answer
x = 420,277.12
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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.