Finding the Fourth Proportional to 225,311.63, 310,908.79 and 134,649.55
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Solution
The fourth proportional to 225,311.63, 310,908.79 and 134,649.55 is: 185,803.67
Step by Step Solution
- Step 1: Write the proportion equation
225,311.63 : 310,908.79 = 134,649.55 : x - Step 2: Convert to fraction form
225,311.63/310,908.79 = 134,649.55/x - Step 3: Cross multiply
225,311.63x = 310,908.79 × 134,649.55 - Step 4: Simplify right side
225,311.63x = 41,863,728,664.54 - Step 5: Solve for x
x = 41,863,728,664.54/225,311.63 - Step 6: Final answer
x = 185,803.67
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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.