Finding the Fourth Proportional to 134,487.61, 201,757.97 and 39,719.43
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Solution
The fourth proportional to 134,487.61, 201,757.97 and 39,719.43 is: 59,586.99
Step by Step Solution
- Step 1: Write the proportion equation
134,487.61 : 201,757.97 = 39,719.43 : x - Step 2: Convert to fraction form
134,487.61/201,757.97 = 39,719.43/x - Step 3: Cross multiply
134,487.61x = 201,757.97 × 39,719.43 - Step 4: Simplify right side
134,487.61x = 8,013,711,665.66 - Step 5: Solve for x
x = 8,013,711,665.66/134,487.61 - Step 6: Final answer
x = 59,586.99
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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.