Finding the Fourth Proportional to 547,862.41, 756,035.58 and 306,146.96
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Solution
The fourth proportional to 547,862.41, 756,035.58 and 306,146.96 is: 422,474.68
Step by Step Solution
- Step 1: Write the proportion equation
547,862.41 : 756,035.58 = 306,146.96 : x - Step 2: Convert to fraction form
547,862.41/756,035.58 = 306,146.96/x - Step 3: Cross multiply
547,862.41x = 756,035.58 × 306,146.96 - Step 4: Simplify right side
547,862.41x = 231,457,994,468.84 - Step 5: Solve for x
x = 231,457,994,468.84/547,862.41 - Step 6: Final answer
x = 422,474.68
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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.