Finding the Fourth Proportional to 297,042.68, 445,556.62 and 86,682.44
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Solution
The fourth proportional to 297,042.68, 445,556.62 and 86,682.44 is: 130,021.50
Step by Step Solution
- Step 1: Write the proportion equation
297,042.68 : 445,556.62 = 86,682.44 : x - Step 2: Convert to fraction form
297,042.68/445,556.62 = 86,682.44/x - Step 3: Cross multiply
297,042.68x = 445,556.62 × 86,682.44 - Step 4: Simplify right side
297,042.68x = 38,621,934,979.75 - Step 5: Solve for x
x = 38,621,934,979.75/297,042.68 - Step 6: Final answer
x = 130,021.50
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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.