Finding the Fourth Proportional to 90,466.63, 135,663.48 and 27,267.19
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Solution
The fourth proportional to 90,466.63, 135,663.48 and 27,267.19 is: 40,889.79
Step by Step Solution
- Step 1: Write the proportion equation
90,466.63 : 135,663.48 = 27,267.19 : x - Step 2: Convert to fraction form
90,466.63/135,663.48 = 27,267.19/x - Step 3: Cross multiply
90,466.63x = 135,663.48 × 27,267.19 - Step 4: Simplify right side
90,466.63x = 3,699,161,546.06 - Step 5: Solve for x
x = 3,699,161,546.06/90,466.63 - Step 6: Final answer
x = 40,889.79
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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.