Finding the Fourth Proportional to 276,690.26, 414,739.74 and 197,564.60
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Solution
The fourth proportional to 276,690.26, 414,739.74 and 197,564.60 is: 296,135.80
Step by Step Solution
- Step 1: Write the proportion equation
276,690.26 : 414,739.74 = 197,564.60 : x - Step 2: Convert to fraction form
276,690.26/414,739.74 = 197,564.60/x - Step 3: Cross multiply
276,690.26x = 414,739.74 × 197,564.60 - Step 4: Simplify right side
276,690.26x = 81,937,890,837.20 - Step 5: Solve for x
x = 81,937,890,837.20/276,690.26 - Step 6: Final answer
x = 296,135.80
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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.