Finding the Fourth Proportional to 122,420.24, 183,631.17 and 33,683.12
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Solution
The fourth proportional to 122,420.24, 183,631.17 and 33,683.12 is: 50,524.90
Step by Step Solution
- Step 1: Write the proportion equation
122,420.24 : 183,631.17 = 33,683.12 : x - Step 2: Convert to fraction form
122,420.24/183,631.17 = 33,683.12/x - Step 3: Cross multiply
122,420.24x = 183,631.17 × 33,683.12 - Step 4: Simplify right side
122,420.24x = 6,185,270,734.85 - Step 5: Solve for x
x = 6,185,270,734.85/122,420.24 - Step 6: Final answer
x = 50,524.90
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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.