Finding the Fourth Proportional to 246,385.65, 339,991.83 and 138,982.08
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Solution
The fourth proportional to 246,385.65, 339,991.83 and 138,982.08 is: 191,783.78
Step by Step Solution
- Step 1: Write the proportion equation
246,385.65 : 339,991.83 = 138,982.08 : x - Step 2: Convert to fraction form
246,385.65/339,991.83 = 138,982.08/x - Step 3: Cross multiply
246,385.65x = 339,991.83 × 138,982.08 - Step 4: Simplify right side
246,385.65x = 47,252,771,078.92 - Step 5: Solve for x
x = 47,252,771,078.92/246,385.65 - Step 6: Final answer
x = 191,783.78
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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.