Finding the Fourth Proportional to 351,859.14, 485,630.64 and 200,956.14
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Solution
The fourth proportional to 351,859.14, 485,630.64 and 200,956.14 is: 277,356.61
Step by Step Solution
- Step 1: Write the proportion equation
351,859.14 : 485,630.64 = 200,956.14 : x - Step 2: Convert to fraction form
351,859.14/485,630.64 = 200,956.14/x - Step 3: Cross multiply
351,859.14x = 485,630.64 × 200,956.14 - Step 4: Simplify right side
351,859.14x = 97,590,458,880.13 - Step 5: Solve for x
x = 97,590,458,880.13/351,859.14 - Step 6: Final answer
x = 277,356.61
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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.