Finding the Fourth Proportional to 265,077.96, 397,866.05 and 138,808.82
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Solution
The fourth proportional to 265,077.96, 397,866.05 and 138,808.82 is: 208,343.67
Step by Step Solution
- Step 1: Write the proportion equation
265,077.96 : 397,866.05 = 138,808.82 : x - Step 2: Convert to fraction form
265,077.96/397,866.05 = 138,808.82/x - Step 3: Cross multiply
265,077.96x = 397,866.05 × 138,808.82 - Step 4: Simplify right side
265,077.96x = 55,227,314,235.19 - Step 5: Solve for x
x = 55,227,314,235.19/265,077.96 - Step 6: Final answer
x = 208,343.67
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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.