Finding the Fourth Proportional to 282,272.10, 389,520.99 and 167,555.58
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Solution
The fourth proportional to 282,272.10, 389,520.99 and 167,555.58 is: 231,218.09
Step by Step Solution
- Step 1: Write the proportion equation
282,272.10 : 389,520.99 = 167,555.58 : x - Step 2: Convert to fraction form
282,272.10/389,520.99 = 167,555.58/x - Step 3: Cross multiply
282,272.10x = 389,520.99 × 167,555.58 - Step 4: Simplify right side
282,272.10x = 65,266,415,401.62 - Step 5: Solve for x
x = 65,266,415,401.62/282,272.10 - Step 6: Final answer
x = 231,218.09
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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.