Finding the Fourth Proportional to 246,998.88, 340,859.87 and 133,821.63
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Solution
The fourth proportional to 246,998.88, 340,859.87 and 133,821.63 is: 184,674.62
Step by Step Solution
- Step 1: Write the proportion equation
246,998.88 : 340,859.87 = 133,821.63 : x - Step 2: Convert to fraction form
246,998.88/340,859.87 = 133,821.63/x - Step 3: Cross multiply
246,998.88x = 340,859.87 × 133,821.63 - Step 4: Simplify right side
246,998.88x = 45,614,423,404.99 - Step 5: Solve for x
x = 45,614,423,404.99/246,998.88 - Step 6: Final answer
x = 184,674.62
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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.