Finding the Fourth Proportional to 332,889.45, 499,202.86 and 143,364.03
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Solution
The fourth proportional to 332,889.45, 499,202.86 and 143,364.03 is: 214,989.49
Step by Step Solution
- Step 1: Write the proportion equation
332,889.45 : 499,202.86 = 143,364.03 : x - Step 2: Convert to fraction form
332,889.45/499,202.86 = 143,364.03/x - Step 3: Cross multiply
332,889.45x = 499,202.86 × 143,364.03 - Step 4: Simplify right side
332,889.45x = 71,567,733,797.13 - Step 5: Solve for x
x = 71,567,733,797.13/332,889.45 - Step 6: Final answer
x = 214,989.49
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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.