Finding the Fourth Proportional to 443,450.57, 611,962.36 and 252,463.95
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Solution
The fourth proportional to 443,450.57, 611,962.36 and 252,463.95 is: 348,400.58
Step by Step Solution
- Step 1: Write the proportion equation
443,450.57 : 611,962.36 = 252,463.95 : x - Step 2: Convert to fraction form
443,450.57/611,962.36 = 252,463.95/x - Step 3: Cross multiply
443,450.57x = 611,962.36 × 252,463.95 - Step 4: Simplify right side
443,450.57x = 154,498,436,320.62 - Step 5: Solve for x
x = 154,498,436,320.62/443,450.57 - Step 6: Final answer
x = 348,400.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.