Finding the Fourth Proportional to 225,331.44, 310,957.39 and 124,729.44
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Solution
The fourth proportional to 225,331.44, 310,957.39 and 124,729.44 is: 172,126.63
Step by Step Solution
- Step 1: Write the proportion equation
225,331.44 : 310,957.39 = 124,729.44 : x - Step 2: Convert to fraction form
225,331.44/310,957.39 = 124,729.44/x - Step 3: Cross multiply
225,331.44x = 310,957.39 × 124,729.44 - Step 4: Simplify right side
225,331.44x = 38,785,541,118.56 - Step 5: Solve for x
x = 38,785,541,118.56/225,331.44 - Step 6: Final answer
x = 172,126.63
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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.