Finding the Fourth Proportional to 293,688.12, 405,198.56 and 164,608.70
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Solution
The fourth proportional to 293,688.12, 405,198.56 and 164,608.70 is: 227,108.98
Step by Step Solution
- Step 1: Write the proportion equation
293,688.12 : 405,198.56 = 164,608.70 : x - Step 2: Convert to fraction form
293,688.12/405,198.56 = 164,608.70/x - Step 3: Cross multiply
293,688.12x = 405,198.56 × 164,608.70 - Step 4: Simplify right side
293,688.12x = 66,699,209,627.99 - Step 5: Solve for x
x = 66,699,209,627.99/293,688.12 - Step 6: Final answer
x = 227,108.98
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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.