Finding the Fourth Proportional to 814,469.99, 1,221,880.44 and 245,803.51
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Solution
The fourth proportional to 814,469.99, 1,221,880.44 and 245,803.51 is: 368,758.22
Step by Step Solution
- Step 1: Write the proportion equation
814,469.99 : 1,221,880.44 = 245,803.51 : x - Step 2: Convert to fraction form
814,469.99/1,221,880.44 = 245,803.51/x - Step 3: Cross multiply
814,469.99x = 1,221,880.44 × 245,803.51 - Step 4: Simplify right side
814,469.99x = 300,342,503,401.46 - Step 5: Solve for x
x = 300,342,503,401.46/814,469.99 - Step 6: Final answer
x = 368,758.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.