Finding the Fourth Proportional to 265,823.80, 398,735.70 and 125,855.80
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Solution
The fourth proportional to 265,823.80, 398,735.70 and 125,855.80 is: 188,783.70
Step by Step Solution
- Step 1: Write the proportion equation
265,823.80 : 398,735.70 = 125,855.80 : x - Step 2: Convert to fraction form
265,823.80/398,735.70 = 125,855.80/x - Step 3: Cross multiply
265,823.80x = 398,735.70 × 125,855.80 - Step 4: Simplify right side
265,823.80x = 50,183,200,512.06 - Step 5: Solve for x
x = 50,183,200,512.06/265,823.80 - Step 6: Final answer
x = 188,783.70
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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.