Finding the Fourth Proportional to 284,257.92, 426,609.60 and 198,309.84
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Solution
The fourth proportional to 284,257.92, 426,609.60 and 198,309.84 is: 297,620.14
Step by Step Solution
- Step 1: Write the proportion equation
284,257.92 : 426,609.60 = 198,309.84 : x - Step 2: Convert to fraction form
284,257.92/426,609.60 = 198,309.84/x - Step 3: Cross multiply
284,257.92x = 426,609.60 × 198,309.84 - Step 4: Simplify right side
284,257.92x = 84,600,881,518.46 - Step 5: Solve for x
x = 84,600,881,518.46/284,257.92 - Step 6: Final answer
x = 297,620.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.