Finding the Fourth Proportional to 443,907.01, 612,622.80 and 250,331.99
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Solution
The fourth proportional to 443,907.01, 612,622.80 and 250,331.99 is: 345,475.70
Step by Step Solution
- Step 1: Write the proportion equation
443,907.01 : 612,622.80 = 250,331.99 : x - Step 2: Convert to fraction form
443,907.01/612,622.80 = 250,331.99/x - Step 3: Cross multiply
443,907.01x = 612,622.80 × 250,331.99 - Step 4: Simplify right side
443,907.01x = 153,359,086,174.93 - Step 5: Solve for x
x = 153,359,086,174.93/443,907.01 - Step 6: Final answer
x = 345,475.70
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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.