Finding the Fourth Proportional to 100,812.71, 151,253.09 and 44,645.08
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Solution
The fourth proportional to 100,812.71, 151,253.09 and 44,645.08 is: 66,982.68
Step by Step Solution
- Step 1: Write the proportion equation
100,812.71 : 151,253.09 = 44,645.08 : x - Step 2: Convert to fraction form
100,812.71/151,253.09 = 44,645.08/x - Step 3: Cross multiply
100,812.71x = 151,253.09 × 44,645.08 - Step 4: Simplify right side
100,812.71x = 6,752,705,323.81 - Step 5: Solve for x
x = 6,752,705,323.81/100,812.71 - Step 6: Final answer
x = 66,982.68
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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.