Finding the Fourth Proportional to 134,388.09, 201,611.29 and 40,891.41
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Solution
The fourth proportional to 134,388.09, 201,611.29 and 40,891.41 is: 61,345.99
Step by Step Solution
- Step 1: Write the proportion equation
134,388.09 : 201,611.29 = 40,891.41 : x - Step 2: Convert to fraction form
134,388.09/201,611.29 = 40,891.41/x - Step 3: Cross multiply
134,388.09x = 201,611.29 × 40,891.41 - Step 4: Simplify right side
134,388.09x = 8,244,169,817.79 - Step 5: Solve for x
x = 8,244,169,817.79/134,388.09 - Step 6: Final answer
x = 61,345.99
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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.