Finding the Fourth Proportional to 75,228.67, 112,843.41 and 22,637.80
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Solution
The fourth proportional to 75,228.67, 112,843.41 and 22,637.80 is: 33,956.82
Step by Step Solution
- Step 1: Write the proportion equation
75,228.67 : 112,843.41 = 22,637.80 : x - Step 2: Convert to fraction form
75,228.67/112,843.41 = 22,637.80/x - Step 3: Cross multiply
75,228.67x = 112,843.41 × 22,637.80 - Step 4: Simplify right side
75,228.67x = 2,554,526,546.90 - Step 5: Solve for x
x = 2,554,526,546.90/75,228.67 - Step 6: Final answer
x = 33,956.82
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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.