Finding the Fourth Proportional to 242,816.67, 334,324.49 and 206,446.59
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Solution
The fourth proportional to 242,816.67, 334,324.49 and 206,446.59 is: 284,247.99
Step by Step Solution
- Step 1: Write the proportion equation
242,816.67 : 334,324.49 = 206,446.59 : x - Step 2: Convert to fraction form
242,816.67/334,324.49 = 206,446.59/x - Step 3: Cross multiply
242,816.67x = 334,324.49 × 206,446.59 - Step 4: Simplify right side
242,816.67x = 69,020,149,881.76 - Step 5: Solve for x
x = 69,020,149,881.76/242,816.67 - Step 6: Final answer
x = 284,247.99
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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.