Finding the Fourth Proportional to 356,638.20, 492,318.98 and 227,745.53
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Solution
The fourth proportional to 356,638.20, 492,318.98 and 227,745.53 is: 314,389.90
Step by Step Solution
- Step 1: Write the proportion equation
356,638.20 : 492,318.98 = 227,745.53 : x - Step 2: Convert to fraction form
356,638.20/492,318.98 = 227,745.53/x - Step 3: Cross multiply
356,638.20x = 492,318.98 × 227,745.53 - Step 4: Simplify right side
356,638.20x = 112,123,447,029.16 - Step 5: Solve for x
x = 112,123,447,029.16/356,638.20 - Step 6: Final answer
x = 314,389.90
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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.