Finding the Fourth Proportional to 120,236.93, 180,379.99 and 41,340.90
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Solution
The fourth proportional to 120,236.93, 180,379.99 and 41,340.90 is: 62,019.81
Step by Step Solution
- Step 1: Write the proportion equation
120,236.93 : 180,379.99 = 41,340.90 : x - Step 2: Convert to fraction form
120,236.93/180,379.99 = 41,340.90/x - Step 3: Cross multiply
120,236.93x = 180,379.99 × 41,340.90 - Step 4: Simplify right side
120,236.93x = 7,457,071,128.59 - Step 5: Solve for x
x = 7,457,071,128.59/120,236.93 - Step 6: Final answer
x = 62,019.81
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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.