Finding the Fourth Proportional to 480,302.14, 720,532.41 and 199,839.10
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Solution
The fourth proportional to 480,302.14, 720,532.41 and 199,839.10 is: 299,791.60
Step by Step Solution
- Step 1: Write the proportion equation
480,302.14 : 720,532.41 = 199,839.10 : x - Step 2: Convert to fraction form
480,302.14/720,532.41 = 199,839.10/x - Step 3: Cross multiply
480,302.14x = 720,532.41 × 199,839.10 - Step 4: Simplify right side
480,302.14x = 143,990,548,335.23 - Step 5: Solve for x
x = 143,990,548,335.23/480,302.14 - Step 6: Final answer
x = 299,791.60
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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.