Finding the Fourth Proportional to 135,003.60, 202,116.60 and 131,115.60
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Solution
The fourth proportional to 135,003.60, 202,116.60 and 131,115.60 is: 196,295.80
Step by Step Solution
- Step 1: Write the proportion equation
135,003.60 : 202,116.60 = 131,115.60 : x - Step 2: Convert to fraction form
135,003.60/202,116.60 = 131,115.60/x - Step 3: Cross multiply
135,003.60x = 202,116.60 × 131,115.60 - Step 4: Simplify right side
135,003.60x = 26,500,639,278.96 - Step 5: Solve for x
x = 26,500,639,278.96/135,003.60 - Step 6: Final answer
x = 196,295.80
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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.