Finding the Fourth Proportional to 135,028.80, 202,543.20 and 132,955.20
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Solution
The fourth proportional to 135,028.80, 202,543.20 and 132,955.20 is: 199,432.80
Step by Step Solution
- Step 1: Write the proportion equation
135,028.80 : 202,543.20 = 132,955.20 : x - Step 2: Convert to fraction form
135,028.80/202,543.20 = 132,955.20/x - Step 3: Cross multiply
135,028.80x = 202,543.20 × 132,955.20 - Step 4: Simplify right side
135,028.80x = 26,929,171,664.64 - Step 5: Solve for x
x = 26,929,171,664.64/135,028.80 - Step 6: Final answer
x = 199,432.80
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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.