Finding the Fourth Proportional to 135,499.64, 203,176.15 and 107,599.19
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Solution
The fourth proportional to 135,499.64, 203,176.15 and 107,599.19 is: 161,340.57
Step by Step Solution
- Step 1: Write the proportion equation
135,499.64 : 203,176.15 = 107,599.19 : x - Step 2: Convert to fraction form
135,499.64/203,176.15 = 107,599.19/x - Step 3: Cross multiply
135,499.64x = 203,176.15 × 107,599.19 - Step 4: Simplify right side
135,499.64x = 21,861,587,882.44 - Step 5: Solve for x
x = 21,861,587,882.44/135,499.64 - Step 6: Final answer
x = 161,340.57
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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.