Finding the Fourth Proportional to 135,315.64, 203,003.36 and 40,541.96
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Solution
The fourth proportional to 135,315.64, 203,003.36 and 40,541.96 is: 60,821.90
Step by Step Solution
- Step 1: Write the proportion equation
135,315.64 : 203,003.36 = 40,541.96 : x - Step 2: Convert to fraction form
135,315.64/203,003.36 = 40,541.96/x - Step 3: Cross multiply
135,315.64x = 203,003.36 × 40,541.96 - Step 4: Simplify right side
135,315.64x = 8,230,154,100.99 - Step 5: Solve for x
x = 8,230,154,100.99/135,315.64 - Step 6: Final answer
x = 60,821.90
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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.