Finding the Fourth Proportional to 440,883.18, 661,241.70 and 171,010.80
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Solution
The fourth proportional to 440,883.18, 661,241.70 and 171,010.80 is: 256,483.98
Step by Step Solution
- Step 1: Write the proportion equation
440,883.18 : 661,241.70 = 171,010.80 : x - Step 2: Convert to fraction form
440,883.18/661,241.70 = 171,010.80/x - Step 3: Cross multiply
440,883.18x = 661,241.70 × 171,010.80 - Step 4: Simplify right side
440,883.18x = 113,079,472,110.36 - Step 5: Solve for x
x = 113,079,472,110.36/440,883.18 - Step 6: Final answer
x = 256,483.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.