Finding the Fourth Proportional to 135,030.80, 202,546.20 and 132,957.20
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Solution
The fourth proportional to 135,030.80, 202,546.20 and 132,957.20 is: 199,435.80
Step by Step Solution
- Step 1: Write the proportion equation
135,030.80 : 202,546.20 = 132,957.20 : x - Step 2: Convert to fraction form
135,030.80/202,546.20 = 132,957.20/x - Step 3: Cross multiply
135,030.80x = 202,546.20 × 132,957.20 - Step 4: Simplify right side
135,030.80x = 26,929,975,622.64 - Step 5: Solve for x
x = 26,929,975,622.64/135,030.80 - Step 6: Final answer
x = 199,435.80
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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.