Finding the Fourth Proportional to 195,261.22, 292,779.68 and 76,867.96
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Solution
The fourth proportional to 195,261.22, 292,779.68 and 76,867.96 is: 115,257.79
Step by Step Solution
- Step 1: Write the proportion equation
195,261.22 : 292,779.68 = 76,867.96 : x - Step 2: Convert to fraction form
195,261.22/292,779.68 = 76,867.96/x - Step 3: Cross multiply
195,261.22x = 292,779.68 × 76,867.96 - Step 4: Simplify right side
195,261.22x = 22,505,376,731.05 - Step 5: Solve for x
x = 22,505,376,731.05/195,261.22 - Step 6: Final answer
x = 115,257.79
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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.