Finding the Fourth Proportional to 147,855.41, 204,040.26 and 84,193.20
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Solution
The fourth proportional to 147,855.41, 204,040.26 and 84,193.20 is: 116,186.50
Step by Step Solution
- Step 1: Write the proportion equation
147,855.41 : 204,040.26 = 84,193.20 : x - Step 2: Convert to fraction form
147,855.41/204,040.26 = 84,193.20/x - Step 3: Cross multiply
147,855.41x = 204,040.26 × 84,193.20 - Step 4: Simplify right side
147,855.41x = 17,178,802,418.23 - Step 5: Solve for x
x = 17,178,802,418.23/147,855.41 - Step 6: Final answer
x = 116,186.50
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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.