Finding the Fourth Proportional to 307,750.20, 460,847.70 and 245,542.20
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Solution
The fourth proportional to 307,750.20, 460,847.70 and 245,542.20 is: 367,692.88
Step by Step Solution
- Step 1: Write the proportion equation
307,750.20 : 460,847.70 = 245,542.20 : x - Step 2: Convert to fraction form
307,750.20/460,847.70 = 245,542.20/x - Step 3: Cross multiply
307,750.20x = 460,847.70 × 245,542.20 - Step 4: Simplify right side
307,750.20x = 113,157,558,122.94 - Step 5: Solve for x
x = 113,157,558,122.94/307,750.20 - Step 6: Final answer
x = 367,692.88
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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.