Finding the Fourth Proportional to 189,291.99, 261,223.13 and 108,735.09
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Solution
The fourth proportional to 189,291.99, 261,223.13 and 108,735.09 is: 150,054.53
Step by Step Solution
- Step 1: Write the proportion equation
189,291.99 : 261,223.13 = 108,735.09 : x - Step 2: Convert to fraction form
189,291.99/261,223.13 = 108,735.09/x - Step 3: Cross multiply
189,291.99x = 261,223.13 × 108,735.09 - Step 4: Simplify right side
189,291.99x = 28,404,120,550.63 - Step 5: Solve for x
x = 28,404,120,550.63/189,291.99 - Step 6: Final answer
x = 150,054.53
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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.