Finding the Fourth Proportional to 147,049.92, 202,964.94 and 83,424.96
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Solution
The fourth proportional to 147,049.92, 202,964.94 and 83,424.96 is: 115,146.90
Step by Step Solution
- Step 1: Write the proportion equation
147,049.92 : 202,964.94 = 83,424.96 : x - Step 2: Convert to fraction form
147,049.92/202,964.94 = 83,424.96/x - Step 3: Cross multiply
147,049.92x = 202,964.94 × 83,424.96 - Step 4: Simplify right side
147,049.92x = 16,932,342,000.90 - Step 5: Solve for x
x = 16,932,342,000.90/147,049.92 - Step 6: Final answer
x = 115,146.90
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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.