Finding the Fourth Proportional to 183,459.05, 252,939.12 and 118,814.06
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Solution
The fourth proportional to 183,459.05, 252,939.12 and 118,814.06 is: 163,811.62
Step by Step Solution
- Step 1: Write the proportion equation
183,459.05 : 252,939.12 = 118,814.06 : x - Step 2: Convert to fraction form
183,459.05/252,939.12 = 118,814.06/x - Step 3: Cross multiply
183,459.05x = 252,939.12 × 118,814.06 - Step 4: Simplify right side
183,459.05x = 30,052,723,780.03 - Step 5: Solve for x
x = 30,052,723,780.03/183,459.05 - Step 6: Final answer
x = 163,811.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.