Finding the Fourth Proportional to 165,597.21, 248,175.50 and 90,604.17
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Solution
The fourth proportional to 165,597.21, 248,175.50 and 90,604.17 is: 135,785.71
Step by Step Solution
- Step 1: Write the proportion equation
165,597.21 : 248,175.50 = 90,604.17 : x - Step 2: Convert to fraction form
165,597.21/248,175.50 = 90,604.17/x - Step 3: Cross multiply
165,597.21x = 248,175.50 × 90,604.17 - Step 4: Simplify right side
165,597.21x = 22,485,734,738.81 - Step 5: Solve for x
x = 22,485,734,738.81/165,597.21 - Step 6: Final answer
x = 135,785.71
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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.