Finding the Fourth Proportional to 135,960.66, 203,919.93 and 69,449.94
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Solution
The fourth proportional to 135,960.66, 203,919.93 and 69,449.94 is: 104,164.15
Step by Step Solution
- Step 1: Write the proportion equation
135,960.66 : 203,919.93 = 69,449.94 : x - Step 2: Convert to fraction form
135,960.66/203,919.93 = 69,449.94/x - Step 3: Cross multiply
135,960.66x = 203,919.93 × 69,449.94 - Step 4: Simplify right side
135,960.66x = 14,162,226,903.30 - Step 5: Solve for x
x = 14,162,226,903.30/135,960.66 - Step 6: Final answer
x = 104,164.15
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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.