Finding the Fourth Proportional to 135,235.12, 202,850.16 and 40,465.36
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Solution
The fourth proportional to 135,235.12, 202,850.16 and 40,465.36 is: 60,697.29
Step by Step Solution
- Step 1: Write the proportion equation
135,235.12 : 202,850.16 = 40,465.36 : x - Step 2: Convert to fraction form
135,235.12/202,850.16 = 40,465.36/x - Step 3: Cross multiply
135,235.12x = 202,850.16 × 40,465.36 - Step 4: Simplify right side
135,235.12x = 8,208,404,750.46 - Step 5: Solve for x
x = 8,208,404,750.46/135,235.12 - Step 6: Final answer
x = 60,697.29
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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.