Finding the Fourth Proportional to 225,852.72, 311,668.92 and 125,260.08
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Solution
The fourth proportional to 225,852.72, 311,668.92 and 125,260.08 is: 172,854.57
Step by Step Solution
- Step 1: Write the proportion equation
225,852.72 : 311,668.92 = 125,260.08 : x - Step 2: Convert to fraction form
225,852.72/311,668.92 = 125,260.08/x - Step 3: Cross multiply
225,852.72x = 311,668.92 × 125,260.08 - Step 4: Simplify right side
225,852.72x = 39,039,673,852.71 - Step 5: Solve for x
x = 39,039,673,852.71/225,852.72 - Step 6: Final answer
x = 172,854.57
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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.