Finding the Fourth Proportional to 483,415.20, 667,219.68 and 268,629.12
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Solution
The fourth proportional to 483,415.20, 667,219.68 and 268,629.12 is: 370,767.48
Step by Step Solution
- Step 1: Write the proportion equation
483,415.20 : 667,219.68 = 268,629.12 : x - Step 2: Convert to fraction form
483,415.20/667,219.68 = 268,629.12/x - Step 3: Cross multiply
483,415.20x = 667,219.68 × 268,629.12 - Step 4: Simplify right side
483,415.20x = 179,234,635,485.08 - Step 5: Solve for x
x = 179,234,635,485.08/483,415.20 - Step 6: Final answer
x = 370,767.48
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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.