Finding the Fourth Proportional to 325,122.91, 448,648.93 and 177,917.92
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Solution
The fourth proportional to 325,122.91, 448,648.93 and 177,917.92 is: 245,515.40
Step by Step Solution
- Step 1: Write the proportion equation
325,122.91 : 448,648.93 = 177,917.92 : x - Step 2: Convert to fraction form
325,122.91/448,648.93 = 177,917.92/x - Step 3: Cross multiply
325,122.91x = 448,648.93 × 177,917.92 - Step 4: Simplify right side
325,122.91x = 79,822,682,535.81 - Step 5: Solve for x
x = 79,822,682,535.81/325,122.91 - Step 6: Final answer
x = 245,515.40
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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.