Finding the Fourth Proportional to 90,468.63, 135,666.48 and 27,269.19
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Solution
The fourth proportional to 90,468.63, 135,666.48 and 27,269.19 is: 40,892.79
Step by Step Solution
- Step 1: Write the proportion equation
90,468.63 : 135,666.48 = 27,269.19 : x - Step 2: Convert to fraction form
90,468.63/135,666.48 = 27,269.19/x - Step 3: Cross multiply
90,468.63x = 135,666.48 × 27,269.19 - Step 4: Simplify right side
90,468.63x = 3,699,515,019.75 - Step 5: Solve for x
x = 3,699,515,019.75/90,468.63 - Step 6: Final answer
x = 40,892.79
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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.