Finding the Fourth Proportional to 202,232.80, 303,349.20 and 139,247.20
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Solution
The fourth proportional to 202,232.80, 303,349.20 and 139,247.20 is: 208,870.80
Step by Step Solution
- Step 1: Write the proportion equation
202,232.80 : 303,349.20 = 139,247.20 : x - Step 2: Convert to fraction form
202,232.80/303,349.20 = 139,247.20/x - Step 3: Cross multiply
202,232.80x = 303,349.20 × 139,247.20 - Step 4: Simplify right side
202,232.80x = 42,240,526,722.24 - Step 5: Solve for x
x = 42,240,526,722.24/202,232.80 - Step 6: Final answer
x = 208,870.80
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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.