Finding the Fourth Proportional to 547,851.84, 756,033.87 and 306,134.64
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Solution
The fourth proportional to 547,851.84, 756,033.87 and 306,134.64 is: 422,464.87
Step by Step Solution
- Step 1: Write the proportion equation
547,851.84 : 756,033.87 = 306,134.64 : x - Step 2: Convert to fraction form
547,851.84/756,033.87 = 306,134.64/x - Step 3: Cross multiply
547,851.84x = 756,033.87 × 306,134.64 - Step 4: Simplify right side
547,851.84x = 231,448,156,620.26 - Step 5: Solve for x
x = 231,448,156,620.26/547,851.84 - Step 6: Final answer
x = 422,464.87
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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.