Finding the Fourth Proportional to 264,850.40, 397,129.80 and 106,900.40
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Solution
The fourth proportional to 264,850.40, 397,129.80 and 106,900.40 is: 160,291.75
Step by Step Solution
- Step 1: Write the proportion equation
264,850.40 : 397,129.80 = 106,900.40 : x - Step 2: Convert to fraction form
264,850.40/397,129.80 = 106,900.40/x - Step 3: Cross multiply
264,850.40x = 397,129.80 × 106,900.40 - Step 4: Simplify right side
264,850.40x = 42,453,334,471.92 - Step 5: Solve for x
x = 42,453,334,471.92/264,850.40 - Step 6: Final answer
x = 160,291.75
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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.