Finding the Fourth Proportional to 72,192.93, 108,301.73 and 22,272.09
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Solution
The fourth proportional to 72,192.93, 108,301.73 and 22,272.09 is: 33,411.94
Step by Step Solution
- Step 1: Write the proportion equation
72,192.93 : 108,301.73 = 22,272.09 : x - Step 2: Convert to fraction form
72,192.93/108,301.73 = 22,272.09/x - Step 3: Cross multiply
72,192.93x = 108,301.73 × 22,272.09 - Step 4: Simplify right side
72,192.93x = 2,412,105,766.36 - Step 5: Solve for x
x = 2,412,105,766.36/72,192.93 - Step 6: Final answer
x = 33,411.94
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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.