Finding the Fourth Proportional to 234,763.20, 351,604.80 and 192,772.80
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Solution
The fourth proportional to 234,763.20, 351,604.80 and 192,772.80 is: 288,715.79
Step by Step Solution
- Step 1: Write the proportion equation
234,763.20 : 351,604.80 = 192,772.80 : x - Step 2: Convert to fraction form
234,763.20/351,604.80 = 192,772.80/x - Step 3: Cross multiply
234,763.20x = 351,604.80 × 192,772.80 - Step 4: Simplify right side
234,763.20x = 67,779,841,789.44 - Step 5: Solve for x
x = 67,779,841,789.44/234,763.20 - Step 6: Final answer
x = 288,715.79
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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.