Finding the Fourth Proportional to 161,027.20, 241,540.80 and 76,827.70
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Solution
The fourth proportional to 161,027.20, 241,540.80 and 76,827.70 is: 115,241.55
Step by Step Solution
- Step 1: Write the proportion equation
161,027.20 : 241,540.80 = 76,827.70 : x - Step 2: Convert to fraction form
161,027.20/241,540.80 = 76,827.70/x - Step 3: Cross multiply
161,027.20x = 241,540.80 × 76,827.70 - Step 4: Simplify right side
161,027.20x = 18,557,024,120.16 - Step 5: Solve for x
x = 18,557,024,120.16/161,027.20 - Step 6: Final answer
x = 115,241.55
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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.