Finding the Fourth Proportional to 296,888.26, 409,731.70 and 162,778.18
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Solution
The fourth proportional to 296,888.26, 409,731.70 and 162,778.18 is: 224,648.09
Step by Step Solution
- Step 1: Write the proportion equation
296,888.26 : 409,731.70 = 162,778.18 : x - Step 2: Convert to fraction form
296,888.26/409,731.70 = 162,778.18/x - Step 3: Cross multiply
296,888.26x = 409,731.70 × 162,778.18 - Step 4: Simplify right side
296,888.26x = 66,695,380,414.31 - Step 5: Solve for x
x = 66,695,380,414.31/296,888.26 - Step 6: Final answer
x = 224,648.09
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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.