Finding the Fourth Proportional to 134,639.10, 201,896.56 and 39,835.38
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Solution
The fourth proportional to 134,639.10, 201,896.56 and 39,835.38 is: 59,734.70
Step by Step Solution
- Step 1: Write the proportion equation
134,639.10 : 201,896.56 = 39,835.38 : x - Step 2: Convert to fraction form
134,639.10/201,896.56 = 39,835.38/x - Step 3: Cross multiply
134,639.10x = 201,896.56 × 39,835.38 - Step 4: Simplify right side
134,639.10x = 8,042,626,188.29 - Step 5: Solve for x
x = 8,042,626,188.29/134,639.10 - Step 6: Final answer
x = 59,734.70
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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.