Finding the Fourth Proportional to 92,302.09, 138,453.11 and 22,181.40
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Solution
The fourth proportional to 92,302.09, 138,453.11 and 22,181.40 is: 33,272.09
Step by Step Solution
- Step 1: Write the proportion equation
92,302.09 : 138,453.11 = 22,181.40 : x - Step 2: Convert to fraction form
92,302.09/138,453.11 = 22,181.40/x - Step 3: Cross multiply
92,302.09x = 138,453.11 × 22,181.40 - Step 4: Simplify right side
92,302.09x = 3,071,083,814.15 - Step 5: Solve for x
x = 3,071,083,814.15/92,302.09 - Step 6: Final answer
x = 33,272.09
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1.5x scale
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.