Finding the Fourth Proportional to 296,689.26, 409,432.42 and 160,723.48
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Solution
The fourth proportional to 296,689.26, 409,432.42 and 160,723.48 is: 221,799.07
Step by Step Solution
- Step 1: Write the proportion equation
296,689.26 : 409,432.42 = 160,723.48 : x - Step 2: Convert to fraction form
296,689.26/409,432.42 = 160,723.48/x - Step 3: Cross multiply
296,689.26x = 409,432.42 × 160,723.48 - Step 4: Simplify right side
296,689.26x = 65,805,403,367.22 - Step 5: Solve for x
x = 65,805,403,367.22/296,689.26 - Step 6: Final answer
x = 221,799.07
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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.