Finding the Fourth Proportional to 180,231.28, 248,716.58 and 99,657.03
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Solution
The fourth proportional to 180,231.28, 248,716.58 and 99,657.03 is: 137,525.28
Step by Step Solution
- Step 1: Write the proportion equation
180,231.28 : 248,716.58 = 99,657.03 : x - Step 2: Convert to fraction form
180,231.28/248,716.58 = 99,657.03/x - Step 3: Cross multiply
180,231.28x = 248,716.58 × 99,657.03 - Step 4: Simplify right side
180,231.28x = 24,786,356,108.96 - Step 5: Solve for x
x = 24,786,356,108.96/180,231.28 - Step 6: Final answer
x = 137,525.28
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1.5x scale
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.