Finding the Fourth Proportional to 331,562.63, 457,556.49 and 180,659.63
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Solution
The fourth proportional to 331,562.63, 457,556.49 and 180,659.63 is: 249,310.32
Step by Step Solution
- Step 1: Write the proportion equation
331,562.63 : 457,556.49 = 180,659.63 : x - Step 2: Convert to fraction form
331,562.63/457,556.49 = 180,659.63/x - Step 3: Cross multiply
331,562.63x = 457,556.49 × 180,659.63 - Step 4: Simplify right side
331,562.63x = 82,661,983,899.72 - Step 5: Solve for x
x = 82,661,983,899.72/331,562.63 - Step 6: Final answer
x = 249,310.32
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1.5x scale
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.