Finding the Fourth Proportional to 129,041.16, 193,517.96 and 44,779.08
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Solution
The fourth proportional to 129,041.16, 193,517.96 and 44,779.08 is: 67,153.43
Step by Step Solution
- Step 1: Write the proportion equation
129,041.16 : 193,517.96 = 44,779.08 : x - Step 2: Convert to fraction form
129,041.16/193,517.96 = 44,779.08/x - Step 3: Cross multiply
129,041.16x = 193,517.96 × 44,779.08 - Step 4: Simplify right side
129,041.16x = 8,665,556,212.28 - Step 5: Solve for x
x = 8,665,556,212.28/129,041.16 - Step 6: Final answer
x = 67,153.43
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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.