Finding the Fourth Proportional to 134,343.81, 201,446.19 and 39,561.66
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Solution
The fourth proportional to 134,343.81, 201,446.19 and 39,561.66 is: 59,322.02
Step by Step Solution
- Step 1: Write the proportion equation
134,343.81 : 201,446.19 = 39,561.66 : x - Step 2: Convert to fraction form
134,343.81/201,446.19 = 39,561.66/x - Step 3: Cross multiply
134,343.81x = 201,446.19 × 39,561.66 - Step 4: Simplify right side
134,343.81x = 7,969,545,677.08 - Step 5: Solve for x
x = 7,969,545,677.08/134,343.81 - Step 6: Final answer
x = 59,322.02
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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.