Finding the Fourth Proportional to 753,172.96, 1,129,758.50 and 192,207.48
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Solution
The fourth proportional to 753,172.96, 1,129,758.50 and 192,207.48 is: 288,310.98
Step by Step Solution
- Step 1: Write the proportion equation
753,172.96 : 1,129,758.50 = 192,207.48 : x - Step 2: Convert to fraction form
753,172.96/1,129,758.50 = 192,207.48/x - Step 3: Cross multiply
753,172.96x = 1,129,758.50 × 192,207.48 - Step 4: Simplify right side
753,172.96x = 217,148,034,293.58 - Step 5: Solve for x
x = 217,148,034,293.58/753,172.96 - Step 6: Final answer
x = 288,310.98
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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.