Finding the Fourth Proportional to 347,686.40, 522,163.20 and 304,140.80
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Solution
The fourth proportional to 347,686.40, 522,163.20 and 304,140.80 is: 456,765.45
Step by Step Solution
- Step 1: Write the proportion equation
347,686.40 : 522,163.20 = 304,140.80 : x - Step 2: Convert to fraction form
347,686.40/522,163.20 = 304,140.80/x - Step 3: Cross multiply
347,686.40x = 522,163.20 × 304,140.80 - Step 4: Simplify right side
347,686.40x = 158,811,133,378.56 - Step 5: Solve for x
x = 158,811,133,378.56/347,686.40 - Step 6: Final answer
x = 456,765.45
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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.