Finding the Fourth Proportional to 272,563.10, 409,087.65 and 160,102.70
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Solution
The fourth proportional to 272,563.10, 409,087.65 and 160,102.70 is: 240,296.79
Step by Step Solution
- Step 1: Write the proportion equation
272,563.10 : 409,087.65 = 160,102.70 : x - Step 2: Convert to fraction form
272,563.10/409,087.65 = 160,102.70/x - Step 3: Cross multiply
272,563.10x = 409,087.65 × 160,102.70 - Step 4: Simplify right side
272,563.10x = 65,496,037,301.66 - Step 5: Solve for x
x = 65,496,037,301.66/272,563.10 - Step 6: Final answer
x = 240,296.79
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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.