Finding the Fourth Proportional to 366,755.70, 506,288.70 and 230,989.17
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Solution
The fourth proportional to 366,755.70, 506,288.70 and 230,989.17 is: 318,869.50
Step by Step Solution
- Step 1: Write the proportion equation
366,755.70 : 506,288.70 = 230,989.17 : x - Step 2: Convert to fraction form
366,755.70/506,288.70 = 230,989.17/x - Step 3: Cross multiply
366,755.70x = 506,288.70 × 230,989.17 - Step 4: Simplify right side
366,755.70x = 116,947,206,593.38 - Step 5: Solve for x
x = 116,947,206,593.38/366,755.70 - Step 6: Final answer
x = 318,869.50
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1.5x scale
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.