Finding the Fourth Proportional to 447,391.42, 617,410.43 and 253,812.09
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Solution
The fourth proportional to 447,391.42, 617,410.43 and 253,812.09 is: 350,266.51
Step by Step Solution
- Step 1: Write the proportion equation
447,391.42 : 617,410.43 = 253,812.09 : x - Step 2: Convert to fraction form
447,391.42/617,410.43 = 253,812.09/x - Step 3: Cross multiply
447,391.42x = 617,410.43 × 253,812.09 - Step 4: Simplify right side
447,391.42x = 156,706,231,626.10 - Step 5: Solve for x
x = 156,706,231,626.10/447,391.42 - Step 6: Final answer
x = 350,266.51
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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.