Finding the Fourth Proportional to 135,965.96, 203,948.14 and 52,859.96
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Solution
The fourth proportional to 135,965.96, 203,948.14 and 52,859.96 is: 79,289.63
Step by Step Solution
- Step 1: Write the proportion equation
135,965.96 : 203,948.14 = 52,859.96 : x - Step 2: Convert to fraction form
135,965.96/203,948.14 = 52,859.96/x - Step 3: Cross multiply
135,965.96x = 203,948.14 × 52,859.96 - Step 4: Simplify right side
135,965.96x = 10,780,690,522.47 - Step 5: Solve for x
x = 10,780,690,522.47/135,965.96 - Step 6: Final answer
x = 79,289.63
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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.