Finding the Fourth Proportional to 331,202.84, 457,059.86 and 180,299.80
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Solution
The fourth proportional to 331,202.84, 457,059.86 and 180,299.80 is: 248,813.69
Step by Step Solution
- Step 1: Write the proportion equation
331,202.84 : 457,059.86 = 180,299.80 : x - Step 2: Convert to fraction form
331,202.84/457,059.86 = 180,299.80/x - Step 3: Cross multiply
331,202.84x = 457,059.86 × 180,299.80 - Step 4: Simplify right side
331,202.84x = 82,407,801,346.03 - Step 5: Solve for x
x = 82,407,801,346.03/331,202.84 - Step 6: Final answer
x = 248,813.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.