Finding the Fourth Proportional to 454,236.26, 681,352.56 and 169,948.13
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Solution
The fourth proportional to 454,236.26, 681,352.56 and 169,948.13 is: 254,921.51
Step by Step Solution
- Step 1: Write the proportion equation
454,236.26 : 681,352.56 = 169,948.13 : x - Step 2: Convert to fraction form
454,236.26/681,352.56 = 169,948.13/x - Step 3: Cross multiply
454,236.26x = 681,352.56 × 169,948.13 - Step 4: Simplify right side
454,236.26x = 115,794,590,035.95 - Step 5: Solve for x
x = 115,794,590,035.95/454,236.26 - Step 6: Final answer
x = 254,921.51
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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.