Finding the Fourth Proportional to 307,562.20, 461,343.30 and 274,319.80
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Solution
The fourth proportional to 307,562.20, 461,343.30 and 274,319.80 is: 411,479.70
Step by Step Solution
- Step 1: Write the proportion equation
307,562.20 : 461,343.30 = 274,319.80 : x - Step 2: Convert to fraction form
307,562.20/461,343.30 = 274,319.80/x - Step 3: Cross multiply
307,562.20x = 461,343.30 × 274,319.80 - Step 4: Simplify right side
307,562.20x = 126,555,601,787.34 - Step 5: Solve for x
x = 126,555,601,787.34/307,562.20 - Step 6: Final answer
x = 411,479.70
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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.