Finding the Fourth Proportional to 305,974.90, 422,124.41 and 176,889.62
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Solution
The fourth proportional to 305,974.90, 422,124.41 and 176,889.62 is: 244,037.75
Step by Step Solution
- Step 1: Write the proportion equation
305,974.90 : 422,124.41 = 176,889.62 : x - Step 2: Convert to fraction form
305,974.90/422,124.41 = 176,889.62/x - Step 3: Cross multiply
305,974.90x = 422,124.41 × 176,889.62 - Step 4: Simplify right side
305,974.90x = 74,669,427,975.16 - Step 5: Solve for x
x = 74,669,427,975.16/305,974.90 - Step 6: Final answer
x = 244,037.75
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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.