Finding the Fourth Proportional to 369,519.84, 509,937.12 and 199,753.97
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Solution
The fourth proportional to 369,519.84, 509,937.12 and 199,753.97 is: 275,660.33
Step by Step Solution
- Step 1: Write the proportion equation
369,519.84 : 509,937.12 = 199,753.97 : x - Step 2: Convert to fraction form
369,519.84/509,937.12 = 199,753.97/x - Step 3: Cross multiply
369,519.84x = 509,937.12 × 199,753.97 - Step 4: Simplify right side
369,519.84x = 101,861,961,620.68 - Step 5: Solve for x
x = 101,861,961,620.68/369,519.84 - Step 6: Final answer
x = 275,660.33
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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.