Finding the Fourth Proportional to 246,160.42, 339,696.62 and 138,728.28
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Solution
The fourth proportional to 246,160.42, 339,696.62 and 138,728.28 is: 191,442.34
Step by Step Solution
- Step 1: Write the proportion equation
246,160.42 : 339,696.62 = 138,728.28 : x - Step 2: Convert to fraction form
246,160.42/339,696.62 = 138,728.28/x - Step 3: Cross multiply
246,160.42x = 339,696.62 × 138,728.28 - Step 4: Simplify right side
246,160.42x = 47,125,527,814.41 - Step 5: Solve for x
x = 47,125,527,814.41/246,160.42 - Step 6: Final answer
x = 191,442.34
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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.