Finding the Fourth Proportional to 225,739.68, 311,524.28 and 123,774.48
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Solution
The fourth proportional to 225,739.68, 311,524.28 and 123,774.48 is: 170,810.71
Step by Step Solution
- Step 1: Write the proportion equation
225,739.68 : 311,524.28 = 123,774.48 : x - Step 2: Convert to fraction form
225,739.68/311,524.28 = 123,774.48/x - Step 3: Cross multiply
225,739.68x = 311,524.28 × 123,774.48 - Step 4: Simplify right side
225,739.68x = 38,558,755,764.37 - Step 5: Solve for x
x = 38,558,755,764.37/225,739.68 - Step 6: Final answer
x = 170,810.71
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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.