Finding the Fourth Proportional to 314,661.26, 434,235.52 and 178,698.04
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Solution
The fourth proportional to 314,661.26, 434,235.52 and 178,698.04 is: 246,604.99
Step by Step Solution
- Step 1: Write the proportion equation
314,661.26 : 434,235.52 = 178,698.04 : x - Step 2: Convert to fraction form
314,661.26/434,235.52 = 178,698.04/x - Step 3: Cross multiply
314,661.26x = 434,235.52 × 178,698.04 - Step 4: Simplify right side
314,661.26x = 77,597,036,322.38 - Step 5: Solve for x
x = 77,597,036,322.38/314,661.26 - Step 6: Final answer
x = 246,604.99
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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.