Finding the Fourth Proportional to 225,898.14, 311,739.63 and 125,296.14
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Solution
The fourth proportional to 225,898.14, 311,739.63 and 125,296.14 is: 172,908.78
Step by Step Solution
- Step 1: Write the proportion equation
225,898.14 : 311,739.63 = 125,296.14 : x - Step 2: Convert to fraction form
225,898.14/311,739.63 = 125,296.14/x - Step 3: Cross multiply
225,898.14x = 311,739.63 × 125,296.14 - Step 4: Simplify right side
225,898.14x = 39,059,772,324.03 - Step 5: Solve for x
x = 39,059,772,324.03/225,898.14 - Step 6: Final answer
x = 172,908.78
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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.