Finding the Fourth Proportional to 115,475.04, 173,371.92 and 79,848.96
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Solution
The fourth proportional to 115,475.04, 173,371.92 and 79,848.96 is: 119,883.63
Step by Step Solution
- Step 1: Write the proportion equation
115,475.04 : 173,371.92 = 79,848.96 : x - Step 2: Convert to fraction form
115,475.04/173,371.92 = 79,848.96/x - Step 3: Cross multiply
115,475.04x = 173,371.92 × 79,848.96 - Step 4: Simplify right side
115,475.04x = 13,843,567,505.20 - Step 5: Solve for x
x = 13,843,567,505.20/115,475.04 - Step 6: Final answer
x = 119,883.63
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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.