Finding the Fourth Proportional to 90,163.66, 135,257.80 and 37,560.84
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Solution
The fourth proportional to 90,163.66, 135,257.80 and 37,560.84 is: 56,346.39
Step by Step Solution
- Step 1: Write the proportion equation
90,163.66 : 135,257.80 = 37,560.84 : x - Step 2: Convert to fraction form
90,163.66/135,257.80 = 37,560.84/x - Step 3: Cross multiply
90,163.66x = 135,257.80 × 37,560.84 - Step 4: Simplify right side
90,163.66x = 5,080,397,068.29 - Step 5: Solve for x
x = 5,080,397,068.29/90,163.66 - Step 6: Final answer
x = 56,346.39
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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.