Finding the Fourth Proportional to 134,455.46, 201,636.11 and 39,660.45
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Solution
The fourth proportional to 134,455.46, 201,636.11 and 39,660.45 is: 59,476.79
Step by Step Solution
- Step 1: Write the proportion equation
134,455.46 : 201,636.11 = 39,660.45 : x - Step 2: Convert to fraction form
134,455.46/201,636.11 = 39,660.45/x - Step 3: Cross multiply
134,455.46x = 201,636.11 × 39,660.45 - Step 4: Simplify right side
134,455.46x = 7,996,978,660.55 - Step 5: Solve for x
x = 7,996,978,660.55/134,455.46 - Step 6: Final answer
x = 59,476.79
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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.