Finding the Fourth Proportional to 92,161.35, 138,295.80 and 38,850.09
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Solution
The fourth proportional to 92,161.35, 138,295.80 and 38,850.09 is: 58,297.80
Step by Step Solution
- Step 1: Write the proportion equation
92,161.35 : 138,295.80 = 38,850.09 : x - Step 2: Convert to fraction form
92,161.35/138,295.80 = 38,850.09/x - Step 3: Cross multiply
92,161.35x = 138,295.80 × 38,850.09 - Step 4: Simplify right side
92,161.35x = 5,372,804,276.62 - Step 5: Solve for x
x = 5,372,804,276.62/92,161.35 - Step 6: Final answer
x = 58,297.80
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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.