Finding the Fourth Proportional to 134,538.12, 201,496.14 and 129,872.52
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Solution
The fourth proportional to 134,538.12, 201,496.14 and 129,872.52 is: 194,508.53
Step by Step Solution
- Step 1: Write the proportion equation
134,538.12 : 201,496.14 = 129,872.52 : x - Step 2: Convert to fraction form
134,538.12/201,496.14 = 129,872.52/x - Step 3: Cross multiply
134,538.12x = 201,496.14 × 129,872.52 - Step 4: Simplify right side
134,538.12x = 26,168,811,472.07 - Step 5: Solve for x
x = 26,168,811,472.07/134,538.12 - Step 6: Final answer
x = 194,508.53
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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.