Finding the Fourth Proportional to 167,365.26, 230,965.70 and 91,913.76
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Solution
The fourth proportional to 167,365.26, 230,965.70 and 91,913.76 is: 126,841.89
Step by Step Solution
- Step 1: Write the proportion equation
167,365.26 : 230,965.70 = 91,913.76 : x - Step 2: Convert to fraction form
167,365.26/230,965.70 = 91,913.76/x - Step 3: Cross multiply
167,365.26x = 230,965.70 × 91,913.76 - Step 4: Simplify right side
167,365.26x = 21,228,925,458.46 - Step 5: Solve for x
x = 21,228,925,458.46/167,365.26 - Step 6: Final answer
x = 126,841.89
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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.