Finding the Fourth Proportional to 135,201.64, 202,780.70 and 40,430.44
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Solution
The fourth proportional to 135,201.64, 202,780.70 and 40,430.44 is: 60,639.15
Step by Step Solution
- Step 1: Write the proportion equation
135,201.64 : 202,780.70 = 40,430.44 : x - Step 2: Convert to fraction form
135,201.64/202,780.70 = 40,430.44/x - Step 3: Cross multiply
135,201.64x = 202,780.70 × 40,430.44 - Step 4: Simplify right side
135,201.64x = 8,198,512,924.51 - Step 5: Solve for x
x = 8,198,512,924.51/135,201.64 - Step 6: Final answer
x = 60,639.15
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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.