Finding the Fourth Proportional to 180,933.53, 271,400.99 and 75,678.66
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Solution
The fourth proportional to 180,933.53, 271,400.99 and 75,678.66 is: 113,518.28
Step by Step Solution
- Step 1: Write the proportion equation
180,933.53 : 271,400.99 = 75,678.66 : x - Step 2: Convert to fraction form
180,933.53/271,400.99 = 75,678.66/x - Step 3: Cross multiply
180,933.53x = 271,400.99 × 75,678.66 - Step 4: Simplify right side
180,933.53x = 20,539,262,867.48 - Step 5: Solve for x
x = 20,539,262,867.48/180,933.53 - Step 6: Final answer
x = 113,518.28
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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.