Finding the Fourth Proportional to 436,837.01, 603,021.06 and 293,680.08
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Solution
The fourth proportional to 436,837.01, 603,021.06 and 293,680.08 is: 405,403.55
Step by Step Solution
- Step 1: Write the proportion equation
436,837.01 : 603,021.06 = 293,680.08 : x - Step 2: Convert to fraction form
436,837.01/603,021.06 = 293,680.08/x - Step 3: Cross multiply
436,837.01x = 603,021.06 × 293,680.08 - Step 4: Simplify right side
436,837.01x = 177,095,273,142.49 - Step 5: Solve for x
x = 177,095,273,142.49/436,837.01 - Step 6: Final answer
x = 405,403.55
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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.