Finding the Fourth Proportional to 313,896.80, 433,176.64 and 170,655.84
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Solution
The fourth proportional to 313,896.80, 433,176.64 and 170,655.84 is: 235,504.55
Step by Step Solution
- Step 1: Write the proportion equation
313,896.80 : 433,176.64 = 170,655.84 : x - Step 2: Convert to fraction form
313,896.80/433,176.64 = 170,655.84/x - Step 3: Cross multiply
313,896.80x = 433,176.64 × 170,655.84 - Step 4: Simplify right side
313,896.80x = 73,924,123,367.58 - Step 5: Solve for x
x = 73,924,123,367.58/313,896.80 - Step 6: Final answer
x = 235,504.55
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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.