Finding the Fourth Proportional to 407,828.63, 611,872.95 and 171,107.75
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Solution
The fourth proportional to 407,828.63, 611,872.95 and 171,107.75 is: 256,716.17
Step by Step Solution
- Step 1: Write the proportion equation
407,828.63 : 611,872.95 = 171,107.75 : x - Step 2: Convert to fraction form
407,828.63/611,872.95 = 171,107.75/x - Step 3: Cross multiply
407,828.63x = 611,872.95 × 171,107.75 - Step 4: Simplify right side
407,828.63x = 104,696,200,701.00 - Step 5: Solve for x
x = 104,696,200,701.00/407,828.63 - Step 6: Final answer
x = 256,716.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.