Finding the Fourth Proportional to 288,605.36, 430,794.56 and 254,517.53
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Solution
The fourth proportional to 288,605.36, 430,794.56 and 254,517.53 is: 379,912.43
Step by Step Solution
- Step 1: Write the proportion equation
288,605.36 : 430,794.56 = 254,517.53 : x - Step 2: Convert to fraction form
288,605.36/430,794.56 = 254,517.53/x - Step 3: Cross multiply
288,605.36x = 430,794.56 × 254,517.53 - Step 4: Simplify right side
288,605.36x = 109,644,765,830.96 - Step 5: Solve for x
x = 109,644,765,830.96/288,605.36 - Step 6: Final answer
x = 379,912.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.