Finding the Fourth Proportional to 171,611.28, 257,513.58 and 134,066.07
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Solution
The fourth proportional to 171,611.28, 257,513.58 and 134,066.07 is: 201,174.62
Step by Step Solution
- Step 1: Write the proportion equation
171,611.28 : 257,513.58 = 134,066.07 : x - Step 2: Convert to fraction form
171,611.28/257,513.58 = 134,066.07/x - Step 3: Cross multiply
171,611.28x = 257,513.58 × 134,066.07 - Step 4: Simplify right side
171,611.28x = 34,523,833,642.23 - Step 5: Solve for x
x = 34,523,833,642.23/171,611.28 - Step 6: Final answer
x = 201,174.62
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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.