Finding the Fourth Proportional to 296,688.26, 409,431.04 and 160,722.48
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Solution
The fourth proportional to 296,688.26, 409,431.04 and 160,722.48 is: 221,797.69
Step by Step Solution
- Step 1: Write the proportion equation
296,688.26 : 409,431.04 = 160,722.48 : x - Step 2: Convert to fraction form
296,688.26/409,431.04 = 160,722.48/x - Step 3: Cross multiply
296,688.26x = 409,431.04 × 160,722.48 - Step 4: Simplify right side
296,688.26x = 65,804,772,137.78 - Step 5: Solve for x
x = 65,804,772,137.78/296,688.26 - Step 6: Final answer
x = 221,797.69
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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.