Finding the Fourth Proportional to 296,682.72, 409,423.41 and 160,716.67
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Solution
The fourth proportional to 296,682.72, 409,423.41 and 160,716.67 is: 221,789.68
Step by Step Solution
- Step 1: Write the proportion equation
296,682.72 : 409,423.41 = 160,716.67 : x - Step 2: Convert to fraction form
296,682.72/409,423.41 = 160,716.67/x - Step 3: Cross multiply
296,682.72x = 409,423.41 × 160,716.67 - Step 4: Simplify right side
296,682.72x = 65,801,167,075.24 - Step 5: Solve for x
x = 65,801,167,075.24/296,682.72 - Step 6: Final answer
x = 221,789.68
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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.