Finding the Fourth Proportional to 169,026.64, 253,166.22 and 115,591.99
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Solution
The fourth proportional to 169,026.64, 253,166.22 and 115,591.99 is: 173,132.40
Step by Step Solution
- Step 1: Write the proportion equation
169,026.64 : 253,166.22 = 115,591.99 : x - Step 2: Convert to fraction form
169,026.64/253,166.22 = 115,591.99/x - Step 3: Cross multiply
169,026.64x = 253,166.22 × 115,591.99 - Step 4: Simplify right side
169,026.64x = 29,263,987,170.58 - Step 5: Solve for x
x = 29,263,987,170.58/169,026.64 - Step 6: Final answer
x = 173,132.40
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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.