Finding the Fourth Proportional to 135,322.30, 202,983.45 and 128,064.70
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Solution
The fourth proportional to 135,322.30, 202,983.45 and 128,064.70 is: 192,097.05
Step by Step Solution
- Step 1: Write the proportion equation
135,322.30 : 202,983.45 = 128,064.70 : x - Step 2: Convert to fraction form
135,322.30/202,983.45 = 128,064.70/x - Step 3: Cross multiply
135,322.30x = 202,983.45 × 128,064.70 - Step 4: Simplify right side
135,322.30x = 25,995,014,629.22 - Step 5: Solve for x
x = 25,995,014,629.22/135,322.30 - Step 6: Final answer
x = 192,097.05
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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.