Finding the Fourth Proportional to 167,379.88, 252,221.23 and 138,448.84
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Solution
The fourth proportional to 167,379.88, 252,221.23 and 138,448.84 is: 208,625.65
Step by Step Solution
- Step 1: Write the proportion equation
167,379.88 : 252,221.23 = 138,448.84 : x - Step 2: Convert to fraction form
167,379.88/252,221.23 = 138,448.84/x - Step 3: Cross multiply
167,379.88x = 252,221.23 × 138,448.84 - Step 4: Simplify right side
167,379.88x = 34,919,736,716.87 - Step 5: Solve for x
x = 34,919,736,716.87/167,379.88 - Step 6: Final answer
x = 208,625.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.