Finding the Fourth Proportional to 148,428.99, 204,832.26 and 80,445.96
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Solution
The fourth proportional to 148,428.99, 204,832.26 and 80,445.96 is: 111,015.56
Step by Step Solution
- Step 1: Write the proportion equation
148,428.99 : 204,832.26 = 80,445.96 : x - Step 2: Convert to fraction form
148,428.99/204,832.26 = 80,445.96/x - Step 3: Cross multiply
148,428.99x = 204,832.26 × 80,445.96 - Step 4: Simplify right side
148,428.99x = 16,477,927,794.67 - Step 5: Solve for x
x = 16,477,927,794.67/148,428.99 - Step 6: Final answer
x = 111,015.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.