Finding the Fourth Proportional to 288,630.62, 432,762.53 and 253,163.17
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Solution
The fourth proportional to 288,630.62, 432,762.53 and 253,163.17 is: 379,583.89
Step by Step Solution
- Step 1: Write the proportion equation
288,630.62 : 432,762.53 = 253,163.17 : x - Step 2: Convert to fraction form
288,630.62/432,762.53 = 253,163.17/x - Step 3: Cross multiply
288,630.62x = 432,762.53 × 253,163.17 - Step 4: Simplify right side
288,630.62x = 109,559,531,788.21 - Step 5: Solve for x
x = 109,559,531,788.21/288,630.62 - Step 6: Final answer
x = 379,583.89
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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.