Finding the Fourth Proportional to 252,645.18, 348,708.96 and 166,619.70
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Solution
The fourth proportional to 252,645.18, 348,708.96 and 166,619.70 is: 229,973.84
Step by Step Solution
- Step 1: Write the proportion equation
252,645.18 : 348,708.96 = 166,619.70 : x - Step 2: Convert to fraction form
252,645.18/348,708.96 = 166,619.70/x - Step 3: Cross multiply
252,645.18x = 348,708.96 × 166,619.70 - Step 4: Simplify right side
252,645.18x = 58,101,782,302.51 - Step 5: Solve for x
x = 58,101,782,302.51/252,645.18 - Step 6: Final answer
x = 229,973.84
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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.