Finding the Fourth Proportional to 512,328.84, 768,476.85 and 231,846.09
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Solution
The fourth proportional to 512,328.84, 768,476.85 and 231,846.09 is: 347,761.71
Step by Step Solution
- Step 1: Write the proportion equation
512,328.84 : 768,476.85 = 231,846.09 : x - Step 2: Convert to fraction form
512,328.84/768,476.85 = 231,846.09/x - Step 3: Cross multiply
512,328.84x = 768,476.85 × 231,846.09 - Step 4: Simplify right side
512,328.84x = 178,168,352,928.02 - Step 5: Solve for x
x = 178,168,352,928.02/512,328.84 - Step 6: Final answer
x = 347,761.71
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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.