Finding the Fourth Proportional to 246,219.66, 339,778.35 and 138,787.65
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Solution
The fourth proportional to 246,219.66, 339,778.35 and 138,787.65 is: 191,524.26
Step by Step Solution
- Step 1: Write the proportion equation
246,219.66 : 339,778.35 = 138,787.65 : x - Step 2: Convert to fraction form
246,219.66/339,778.35 = 138,787.65/x - Step 3: Cross multiply
246,219.66x = 339,778.35 × 138,787.65 - Step 4: Simplify right side
246,219.66x = 47,157,038,717.38 - Step 5: Solve for x
x = 47,157,038,717.38/246,219.66 - Step 6: Final answer
x = 191,524.26
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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.