Finding the Fourth Proportional to 260,757.20, 359,832.49 and 160,135.76
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Solution
The fourth proportional to 260,757.20, 359,832.49 and 160,135.76 is: 220,979.70
Step by Step Solution
- Step 1: Write the proportion equation
260,757.20 : 359,832.49 = 160,135.76 : x - Step 2: Convert to fraction form
260,757.20/359,832.49 = 160,135.76/x - Step 3: Cross multiply
260,757.20x = 359,832.49 × 160,135.76 - Step 4: Simplify right side
260,757.20x = 57,622,047,059.34 - Step 5: Solve for x
x = 57,622,047,059.34/260,757.20 - Step 6: Final answer
x = 220,979.70
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1.5x scale
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.