Finding the Fourth Proportional to 246,891.20, 340,708.16 and 133,711.68
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Solution
The fourth proportional to 246,891.20, 340,708.16 and 133,711.68 is: 184,521.20
Step by Step Solution
- Step 1: Write the proportion equation
246,891.20 : 340,708.16 = 133,711.68 : x - Step 2: Convert to fraction form
246,891.20/340,708.16 = 133,711.68/x - Step 3: Cross multiply
246,891.20x = 340,708.16 × 133,711.68 - Step 4: Simplify right side
246,891.20x = 45,556,660,463.31 - Step 5: Solve for x
x = 45,556,660,463.31/246,891.20 - Step 6: Final answer
x = 184,521.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.