Finding the Fourth Proportional to 145,866.46, 218,882.68 and 116,471.09
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Solution
The fourth proportional to 145,866.46, 218,882.68 and 116,471.09 is: 174,772.89
Step by Step Solution
- Step 1: Write the proportion equation
145,866.46 : 218,882.68 = 116,471.09 : x - Step 2: Convert to fraction form
145,866.46/218,882.68 = 116,471.09/x - Step 3: Cross multiply
145,866.46x = 218,882.68 × 116,471.09 - Step 4: Simplify right side
145,866.46x = 25,493,502,936.13 - Step 5: Solve for x
x = 25,493,502,936.13/145,866.46 - Step 6: Final answer
x = 174,772.89
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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.