Finding the Fourth Proportional to 296,579.26, 409,279.74 and 160,613.42
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Solution
The fourth proportional to 296,579.26, 409,279.74 and 160,613.42 is: 221,646.72
Step by Step Solution
- Step 1: Write the proportion equation
296,579.26 : 409,279.74 = 160,613.42 : x - Step 2: Convert to fraction form
296,579.26/409,279.74 = 160,613.42/x - Step 3: Cross multiply
296,579.26x = 409,279.74 × 160,613.42 - Step 4: Simplify right side
296,579.26x = 65,735,818,778.11 - Step 5: Solve for x
x = 65,735,818,778.11/296,579.26 - Step 6: Final answer
x = 221,646.72
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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.