Finding the Fourth Proportional to 134,455.12, 201,715.92 and 55,591.84
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Solution
The fourth proportional to 134,455.12, 201,715.92 and 55,591.84 is: 83,401.50
Step by Step Solution
- Step 1: Write the proportion equation
134,455.12 : 201,715.92 = 55,591.84 : x - Step 2: Convert to fraction form
134,455.12/201,715.92 = 55,591.84/x - Step 3: Cross multiply
134,455.12x = 201,715.92 × 55,591.84 - Step 4: Simplify right side
134,455.12x = 11,213,759,150.09 - Step 5: Solve for x
x = 11,213,759,150.09/134,455.12 - Step 6: Final answer
x = 83,401.50
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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.