Finding the Fourth Proportional to 203,698.68, 280,107.14 and 176,794.32
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Solution
The fourth proportional to 203,698.68, 280,107.14 and 176,794.32 is: 243,110.81
Step by Step Solution
- Step 1: Write the proportion equation
203,698.68 : 280,107.14 = 176,794.32 : x - Step 2: Convert to fraction form
203,698.68/280,107.14 = 176,794.32/x - Step 3: Cross multiply
203,698.68x = 280,107.14 × 176,794.32 - Step 4: Simplify right side
203,698.68x = 49,521,351,343.44 - Step 5: Solve for x
x = 49,521,351,343.44/203,698.68 - Step 6: Final answer
x = 243,110.81
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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.