Finding the Fourth Proportional to 81,334.52, 122,001.62 and 22,170.09
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Solution
The fourth proportional to 81,334.52, 122,001.62 and 22,170.09 is: 33,255.09
Step by Step Solution
- Step 1: Write the proportion equation
81,334.52 : 122,001.62 = 22,170.09 : x - Step 2: Convert to fraction form
81,334.52/122,001.62 = 22,170.09/x - Step 3: Cross multiply
81,334.52x = 122,001.62 × 22,170.09 - Step 4: Simplify right side
81,334.52x = 2,704,786,784.70 - Step 5: Solve for x
x = 2,704,786,784.70/81,334.52 - Step 6: Final answer
x = 33,255.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.