Finding the Fourth Proportional to 225,412.48, 311,047.68 and 134,750.44
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Solution
The fourth proportional to 225,412.48, 311,047.68 and 134,750.44 is: 185,942.73
Step by Step Solution
- Step 1: Write the proportion equation
225,412.48 : 311,047.68 = 134,750.44 : x - Step 2: Convert to fraction form
225,412.48/311,047.68 = 134,750.44/x - Step 3: Cross multiply
225,412.48x = 311,047.68 × 134,750.44 - Step 4: Simplify right side
225,412.48x = 41,913,811,740.98 - Step 5: Solve for x
x = 41,913,811,740.98/225,412.48 - Step 6: Final answer
x = 185,942.73
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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.