Finding the Fourth Proportional to 246,414.90, 340,064.10 and 138,982.62
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Solution
The fourth proportional to 246,414.90, 340,064.10 and 138,982.62 is: 191,802.52
Step by Step Solution
- Step 1: Write the proportion equation
246,414.90 : 340,064.10 = 138,982.62 : x - Step 2: Convert to fraction form
246,414.90/340,064.10 = 138,982.62/x - Step 3: Cross multiply
246,414.90x = 340,064.10 × 138,982.62 - Step 4: Simplify right side
246,414.90x = 47,262,999,585.94 - Step 5: Solve for x
x = 47,262,999,585.94/246,414.90 - Step 6: Final answer
x = 191,802.52
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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.