Finding the Fourth Proportional to 246,396.81, 340,039.17 and 138,964.62
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Solution
The fourth proportional to 246,396.81, 340,039.17 and 138,964.62 is: 191,777.70
Step by Step Solution
- Step 1: Write the proportion equation
246,396.81 : 340,039.17 = 138,964.62 : x - Step 2: Convert to fraction form
246,396.81/340,039.17 = 138,964.62/x - Step 3: Cross multiply
246,396.81x = 340,039.17 × 138,964.62 - Step 4: Simplify right side
246,396.81x = 47,253,414,044.17 - Step 5: Solve for x
x = 47,253,414,044.17/246,396.81 - Step 6: Final answer
x = 191,777.70
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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.