Finding the Fourth Proportional to 165,770.40, 228,839.68 and 97,764.32
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Solution
The fourth proportional to 165,770.40, 228,839.68 and 97,764.32 is: 134,959.89
Step by Step Solution
- Step 1: Write the proportion equation
165,770.40 : 228,839.68 = 97,764.32 : x - Step 2: Convert to fraction form
165,770.40/228,839.68 = 97,764.32/x - Step 3: Cross multiply
165,770.40x = 228,839.68 × 97,764.32 - Step 4: Simplify right side
165,770.40x = 22,372,355,704.22 - Step 5: Solve for x
x = 22,372,355,704.22/165,770.40 - Step 6: Final answer
x = 134,959.89
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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.