Finding the Fourth Proportional to 547,846.71, 756,026.87 and 306,129.53
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Solution
The fourth proportional to 547,846.71, 756,026.87 and 306,129.53 is: 422,457.85
Step by Step Solution
- Step 1: Write the proportion equation
547,846.71 : 756,026.87 = 306,129.53 : x - Step 2: Convert to fraction form
547,846.71/756,026.87 = 306,129.53/x - Step 3: Cross multiply
547,846.71x = 756,026.87 × 306,129.53 - Step 4: Simplify right side
547,846.71x = 231,442,146,487.24 - Step 5: Solve for x
x = 231,442,146,487.24/547,846.71 - Step 6: Final answer
x = 422,457.85
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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.