Finding the Fourth Proportional to 135,470.68, 203,147.09 and 72,276.71
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Solution
The fourth proportional to 135,470.68, 203,147.09 and 72,276.71 is: 108,383.62
Step by Step Solution
- Step 1: Write the proportion equation
135,470.68 : 203,147.09 = 72,276.71 : x - Step 2: Convert to fraction form
135,470.68/203,147.09 = 72,276.71/x - Step 3: Cross multiply
135,470.68x = 203,147.09 × 72,276.71 - Step 4: Simplify right side
135,470.68x = 14,682,802,205.19 - Step 5: Solve for x
x = 14,682,802,205.19/135,470.68 - Step 6: Final answer
x = 108,383.62
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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.