Finding the Fourth Proportional to 146,672.92, 202,408.58 and 79,604.92
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Solution
The fourth proportional to 146,672.92, 202,408.58 and 79,604.92 is: 109,854.76
Step by Step Solution
- Step 1: Write the proportion equation
146,672.92 : 202,408.58 = 79,604.92 : x - Step 2: Convert to fraction form
146,672.92/202,408.58 = 79,604.92/x - Step 3: Cross multiply
146,672.92x = 202,408.58 × 79,604.92 - Step 4: Simplify right side
146,672.92x = 16,112,718,818.21 - Step 5: Solve for x
x = 16,112,718,818.21/146,672.92 - Step 6: Final answer
x = 109,854.76
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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.