Finding the Fourth Proportional to 246,135.80, 339,674.52 and 138,699.92
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Solution
The fourth proportional to 246,135.80, 339,674.52 and 138,699.92 is: 191,409.90
Step by Step Solution
- Step 1: Write the proportion equation
246,135.80 : 339,674.52 = 138,699.92 : x - Step 2: Convert to fraction form
246,135.80/339,674.52 = 138,699.92/x - Step 3: Cross multiply
246,135.80x = 339,674.52 × 138,699.92 - Step 4: Simplify right side
246,135.80x = 47,112,828,750.04 - Step 5: Solve for x
x = 47,112,828,750.04/246,135.80 - Step 6: Final answer
x = 191,409.90
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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.