Finding the Fourth Proportional to 84,886.44, 127,294.98 and 36,858.12
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Solution
The fourth proportional to 84,886.44, 127,294.98 and 36,858.12 is: 55,272.12
Step by Step Solution
- Step 1: Write the proportion equation
84,886.44 : 127,294.98 = 36,858.12 : x - Step 2: Convert to fraction form
84,886.44/127,294.98 = 36,858.12/x - Step 3: Cross multiply
84,886.44x = 127,294.98 × 36,858.12 - Step 4: Simplify right side
84,886.44x = 4,691,853,648.24 - Step 5: Solve for x
x = 4,691,853,648.24/84,886.44 - Step 6: Final answer
x = 55,272.12
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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.