Finding the Fourth Proportional to 100,186.68, 150,284.67 and 55,779.96
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Solution
The fourth proportional to 100,186.68, 150,284.67 and 55,779.96 is: 83,672.53
Step by Step Solution
- Step 1: Write the proportion equation
100,186.68 : 150,284.67 = 55,779.96 : x - Step 2: Convert to fraction form
100,186.68/150,284.67 = 55,779.96/x - Step 3: Cross multiply
100,186.68x = 150,284.67 × 55,779.96 - Step 4: Simplify right side
100,186.68x = 8,382,872,881.21 - Step 5: Solve for x
x = 8,382,872,881.21/100,186.68 - Step 6: Final answer
x = 83,672.53
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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.