Finding the Fourth Proportional to 165,453.84, 248,306.40 and 121,195.44
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Solution
The fourth proportional to 165,453.84, 248,306.40 and 121,195.44 is: 181,885.19
Step by Step Solution
- Step 1: Write the proportion equation
165,453.84 : 248,306.40 = 121,195.44 : x - Step 2: Convert to fraction form
165,453.84/248,306.40 = 121,195.44/x - Step 3: Cross multiply
165,453.84x = 248,306.40 × 121,195.44 - Step 4: Simplify right side
165,453.84x = 30,093,603,402.82 - Step 5: Solve for x
x = 30,093,603,402.82/165,453.84 - Step 6: Final answer
x = 181,885.19
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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.