Finding the Fourth Proportional to 129,635.13, 194,452.71 and 40,897.62
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Solution
The fourth proportional to 129,635.13, 194,452.71 and 40,897.62 is: 61,346.43
Step by Step Solution
- Step 1: Write the proportion equation
129,635.13 : 194,452.71 = 40,897.62 : x - Step 2: Convert to fraction form
129,635.13/194,452.71 = 40,897.62/x - Step 3: Cross multiply
129,635.13x = 194,452.71 × 40,897.62 - Step 4: Simplify right side
129,635.13x = 7,952,653,041.55 - Step 5: Solve for x
x = 7,952,653,041.55/129,635.13 - Step 6: Final answer
x = 61,346.43
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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.