Finding the Fourth Proportional to 262,764.90, 394,202.70 and 85,258.02
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Solution
The fourth proportional to 262,764.90, 394,202.70 and 85,258.02 is: 127,904.99
Step by Step Solution
- Step 1: Write the proportion equation
262,764.90 : 394,202.70 = 85,258.02 : x - Step 2: Convert to fraction form
262,764.90/394,202.70 = 85,258.02/x - Step 3: Cross multiply
262,764.90x = 394,202.70 × 85,258.02 - Step 4: Simplify right side
262,764.90x = 33,608,941,680.65 - Step 5: Solve for x
x = 33,608,941,680.65/262,764.90 - Step 6: Final answer
x = 127,904.99
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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.