Finding the Fourth Proportional to 331,459.98, 457,414.80 and 180,556.98
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Solution
The fourth proportional to 331,459.98, 457,414.80 and 180,556.98 is: 249,168.65
Step by Step Solution
- Step 1: Write the proportion equation
331,459.98 : 457,414.80 = 180,556.98 : x - Step 2: Convert to fraction form
331,459.98/457,414.80 = 180,556.98/x - Step 3: Cross multiply
331,459.98x = 457,414.80 × 180,556.98 - Step 4: Simplify right side
331,459.98x = 82,589,434,895.30 - Step 5: Solve for x
x = 82,589,434,895.30/331,459.98 - Step 6: Final answer
x = 249,168.65
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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.