Finding the Fourth Proportional to 163,787.40, 245,680.97 and 45,458.69
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Solution
The fourth proportional to 163,787.40, 245,680.97 and 45,458.69 is: 68,187.99
Step by Step Solution
- Step 1: Write the proportion equation
163,787.40 : 245,680.97 = 45,458.69 : x - Step 2: Convert to fraction form
163,787.40/245,680.97 = 45,458.69/x - Step 3: Cross multiply
163,787.40x = 245,680.97 × 45,458.69 - Step 4: Simplify right side
163,787.40x = 11,168,333,598.43 - Step 5: Solve for x
x = 11,168,333,598.43/163,787.40 - Step 6: Final answer
x = 68,187.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.