Finding the Fourth Proportional to 120,243.08, 180,362.79 and 41,357.99
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Solution
The fourth proportional to 120,243.08, 180,362.79 and 41,357.99 is: 62,036.36
Step by Step Solution
- Step 1: Write the proportion equation
120,243.08 : 180,362.79 = 41,357.99 : x - Step 2: Convert to fraction form
120,243.08/180,362.79 = 41,357.99/x - Step 3: Cross multiply
120,243.08x = 180,362.79 × 41,357.99 - Step 4: Simplify right side
120,243.08x = 7,459,442,465.19 - Step 5: Solve for x
x = 7,459,442,465.19/120,243.08 - Step 6: Final answer
x = 62,036.36
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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.