Finding the Fourth Proportional to 134,939.34, 202,479.05 and 55,035.92
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Solution
The fourth proportional to 134,939.34, 202,479.05 and 55,035.92 is: 82,582.45
Step by Step Solution
- Step 1: Write the proportion equation
134,939.34 : 202,479.05 = 55,035.92 : x - Step 2: Convert to fraction form
134,939.34/202,479.05 = 55,035.92/x - Step 3: Cross multiply
134,939.34x = 202,479.05 × 55,035.92 - Step 4: Simplify right side
134,939.34x = 11,143,620,797.48 - Step 5: Solve for x
x = 11,143,620,797.48/134,939.34 - Step 6: Final answer
x = 82,582.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.