Finding the Fourth Proportional to 79,791.61, 119,714.75 and 27,238.00
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Solution
The fourth proportional to 79,791.61, 119,714.75 and 27,238.00 is: 40,866.32
Step by Step Solution
- Step 1: Write the proportion equation
79,791.61 : 119,714.75 = 27,238.00 : x - Step 2: Convert to fraction form
79,791.61/119,714.75 = 27,238.00/x - Step 3: Cross multiply
79,791.61x = 119,714.75 × 27,238.00 - Step 4: Simplify right side
79,791.61x = 3,260,789,625.74 - Step 5: Solve for x
x = 3,260,789,625.74/79,791.61 - Step 6: Final answer
x = 40,866.32
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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.