Finding the Fourth Proportional to 427,608.78, 590,162.70 and 246,285.84
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Solution
The fourth proportional to 427,608.78, 590,162.70 and 246,285.84 is: 339,910.50
Step by Step Solution
- Step 1: Write the proportion equation
427,608.78 : 590,162.70 = 246,285.84 : x - Step 2: Convert to fraction form
427,608.78/590,162.70 = 246,285.84/x - Step 3: Cross multiply
427,608.78x = 590,162.70 × 246,285.84 - Step 4: Simplify right side
427,608.78x = 145,348,716,306.17 - Step 5: Solve for x
x = 145,348,716,306.17/427,608.78 - Step 6: Final answer
x = 339,910.50
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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.