Finding the Fourth Proportional to 159,708.96, 220,357.80 and 117,193.68
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Solution
The fourth proportional to 159,708.96, 220,357.80 and 117,193.68 is: 161,697.51
Step by Step Solution
- Step 1: Write the proportion equation
159,708.96 : 220,357.80 = 117,193.68 : x - Step 2: Convert to fraction form
159,708.96/220,357.80 = 117,193.68/x - Step 3: Cross multiply
159,708.96x = 220,357.80 × 117,193.68 - Step 4: Simplify right side
159,708.96x = 25,824,541,498.70 - Step 5: Solve for x
x = 25,824,541,498.70/159,708.96 - Step 6: Final answer
x = 161,697.51
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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.