Finding the Fourth Proportional to 307,201.20, 460,825.20 and 104,734.48
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Solution
The fourth proportional to 307,201.20, 460,825.20 and 104,734.48 is: 157,109.70
Step by Step Solution
- Step 1: Write the proportion equation
307,201.20 : 460,825.20 = 104,734.48 : x - Step 2: Convert to fraction form
307,201.20/460,825.20 = 104,734.48/x - Step 3: Cross multiply
307,201.20x = 460,825.20 × 104,734.48 - Step 4: Simplify right side
307,201.20x = 48,264,287,692.90 - Step 5: Solve for x
x = 48,264,287,692.90/307,201.20 - Step 6: Final answer
x = 157,109.70
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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.