Finding the Fourth Proportional to 447,620.28, 617,715.97 and 243,672.68
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Solution
The fourth proportional to 447,620.28, 617,715.97 and 243,672.68 is: 336,268.28
Step by Step Solution
- Step 1: Write the proportion equation
447,620.28 : 617,715.97 = 243,672.68 : x - Step 2: Convert to fraction form
447,620.28/617,715.97 = 243,672.68/x - Step 3: Cross multiply
447,620.28x = 617,715.97 × 243,672.68 - Step 4: Simplify right side
447,620.28x = 150,520,504,344.41 - Step 5: Solve for x
x = 150,520,504,344.41/447,620.28 - Step 6: Final answer
x = 336,268.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.