Finding the Fourth Proportional to 226,648.43, 312,797.78 and 129,865.12
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Solution
The fourth proportional to 226,648.43, 312,797.78 and 129,865.12 is: 179,227.02
Step by Step Solution
- Step 1: Write the proportion equation
226,648.43 : 312,797.78 = 129,865.12 : x - Step 2: Convert to fraction form
226,648.43/312,797.78 = 129,865.12/x - Step 3: Cross multiply
226,648.43x = 312,797.78 × 129,865.12 - Step 4: Simplify right side
226,648.43x = 40,621,521,685.35 - Step 5: Solve for x
x = 40,621,521,685.35/226,648.43 - Step 6: Final answer
x = 179,227.02
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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.