Finding the Fourth Proportional to 165,786.62, 228,771.86 and 97,806.47
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Solution
The fourth proportional to 165,786.62, 228,771.86 and 97,806.47 is: 134,964.85
Step by Step Solution
- Step 1: Write the proportion equation
165,786.62 : 228,771.86 = 97,806.47 : x - Step 2: Convert to fraction form
165,786.62/228,771.86 = 97,806.47/x - Step 3: Cross multiply
165,786.62x = 228,771.86 × 97,806.47 - Step 4: Simplify right side
165,786.62x = 22,375,366,429.04 - Step 5: Solve for x
x = 22,375,366,429.04/165,786.62 - Step 6: Final answer
x = 134,964.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.