Finding the Fourth Proportional to 120,324.36, 180,486.08 and 41,438.36
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Solution
The fourth proportional to 120,324.36, 180,486.08 and 41,438.36 is: 62,157.38
Step by Step Solution
- Step 1: Write the proportion equation
120,324.36 : 180,486.08 = 41,438.36 : x - Step 2: Convert to fraction form
120,324.36/180,486.08 = 41,438.36/x - Step 3: Cross multiply
120,324.36x = 180,486.08 × 41,438.36 - Step 4: Simplify right side
120,324.36x = 7,479,047,158.03 - Step 5: Solve for x
x = 7,479,047,158.03/120,324.36 - Step 6: Final answer
x = 62,157.38
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1.5x scale
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.