Finding the Fourth Proportional to 347,537.70, 521,306.55 and 147,864.60
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Solution
The fourth proportional to 347,537.70, 521,306.55 and 147,864.60 is: 221,796.90
Step by Step Solution
- Step 1: Write the proportion equation
347,537.70 : 521,306.55 = 147,864.60 : x - Step 2: Convert to fraction form
347,537.70/521,306.55 = 147,864.60/x - Step 3: Cross multiply
347,537.70x = 521,306.55 × 147,864.60 - Step 4: Simplify right side
347,537.70x = 77,082,784,493.13 - Step 5: Solve for x
x = 77,082,784,493.13/347,537.70 - Step 6: Final answer
x = 221,796.90
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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.