Finding the Fourth Proportional to 189,290.99, 261,221.75 and 108,734.09
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Solution
The fourth proportional to 189,290.99, 261,221.75 and 108,734.09 is: 150,053.14
Step by Step Solution
- Step 1: Write the proportion equation
189,290.99 : 261,221.75 = 108,734.09 : x - Step 2: Convert to fraction form
189,290.99/261,221.75 = 108,734.09/x - Step 3: Cross multiply
189,290.99x = 261,221.75 × 108,734.09 - Step 4: Simplify right side
189,290.99x = 28,403,707,424.68 - Step 5: Solve for x
x = 28,403,707,424.68/189,290.99 - Step 6: Final answer
x = 150,053.14
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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.