Finding the Fourth Proportional to 90,186.57, 135,292.14 and 37,583.75
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Solution
The fourth proportional to 90,186.57, 135,292.14 and 37,583.75 is: 56,380.75
Step by Step Solution
- Step 1: Write the proportion equation
90,186.57 : 135,292.14 = 37,583.75 : x - Step 2: Convert to fraction form
90,186.57/135,292.14 = 37,583.75/x - Step 3: Cross multiply
90,186.57x = 135,292.14 × 37,583.75 - Step 4: Simplify right side
90,186.57x = 5,084,786,304.96 - Step 5: Solve for x
x = 5,084,786,304.96/90,186.57 - Step 6: Final answer
x = 56,380.75
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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.