Finding the Fourth Proportional to 205,258.97, 307,977.16 and 110,378.26
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Solution
The fourth proportional to 205,258.97, 307,977.16 and 110,378.26 is: 165,615.09
Step by Step Solution
- Step 1: Write the proportion equation
205,258.97 : 307,977.16 = 110,378.26 : x - Step 2: Convert to fraction form
205,258.97/307,977.16 = 110,378.26/x - Step 3: Cross multiply
205,258.97x = 307,977.16 × 110,378.26 - Step 4: Simplify right side
205,258.97x = 33,993,983,040.54 - Step 5: Solve for x
x = 33,993,983,040.54/205,258.97 - Step 6: Final answer
x = 165,615.09
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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.